20165526160

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{881}}^1\times {\mathrm{1693}}^1$

素因数の和:2613

約数の個数: 120

約数和(自身を含む): 50856448104

約数和(自身を除く): 30690921944

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 169, 208, 260, 338, 520, 676, 845, 881, 1040, 1352, 1690, 1693, 1762, 2704, 3380, 3386, 3524, 4405, 6760, 6772, 7048, 8465, 8810, 11453, 13520, 13544, 14096, 16930, 17620, 22009, 22906, 27088, 33860, 35240, 44018, 45812, 57265, 67720, 70480, 88036, 91624, 110045, 114530, 135440, 148889, 176072, 183248, 220090, 229060, 286117, 297778, 352144, 440180, 458120, 572234, 595556, 744445, 880360, 916240, 1144468, 1191112, 1430585, 1488890, 1491533, 1760720, 2288936, 2382224, 2861170, 2977780, 2983066, 4577872, 5722340, 5955560, 5966132, 7457665, 11444680, 11911120, 11932264, 14915330, 19389929, 22889360, 23864528, 29830660, 38779858, 59661320, 77559716, 96949645, 119322640, 155119432, 193899290, 252069077, 310238864, 387798580, 504138154, 775597160, 1008276308, 1260345385, 1551194320, 2016552616, 2520690770, 4033105232, 5041381540, 10082763080, 20165526160]

約数ペア:

[(1, 20165526160), (2, 10082763080), (4, 5041381540), (5, 4033105232), (8, 2520690770), (10, 2016552616), (13, 1551194320), (16, 1260345385), (20, 1008276308), (26, 775597160), (40, 504138154), (52, 387798580), (65, 310238864), (80, 252069077), (104, 193899290), (130, 155119432), (169, 119322640), (208, 96949645), (260, 77559716), (338, 59661320), (520, 38779858), (676, 29830660), (845, 23864528), (881, 22889360), (1040, 19389929), (1352, 14915330), (1690, 11932264), (1693, 11911120), (1762, 11444680), (2704, 7457665), (3380, 5966132), (3386, 5955560), (3524, 5722340), (4405, 4577872), (6760, 2983066), (6772, 2977780), (7048, 2861170), (8465, 2382224), (8810, 2288936), (11453, 1760720), (13520, 1491533), (13544, 1488890), (14096, 1430585), (16930, 1191112), (17620, 1144468), (22009, 916240), (22906, 880360), (27088, 744445), (33860, 595556), (35240, 572234), (44018, 458120), (45812, 440180), (57265, 352144), (67720, 297778), (70480, 286117), (88036, 229060), (91624, 220090), (110045, 183248), (114530, 176072), (135440, 148889)]