65801840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:227

約数の個数: 120

約数和(自身を含む): 172096128

約数和(自身を除く): 106294288

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 157, 169, 208, 248, 260, 310, 314, 338, 403, 496, 520, 620, 628, 676, 785, 806, 845, 1040, 1240, 1256, 1352, 1570, 1612, 1690, 2015, 2041, 2480, 2512, 2704, 3140, 3224, 3380, 4030, 4082, 4867, 5239, 6280, 6448, 6760, 8060, 8164, 9734, 10205, 10478, 12560, 13520, 16120, 16328, 19468, 20410, 20956, 24335, 26195, 26533, 32240, 32656, 38936, 40820, 41912, 48670, 52390, 53066, 63271, 77872, 81640, 83824, 97340, 104780, 106132, 126542, 132665, 163280, 194680, 209560, 212264, 253084, 265330, 316355, 389360, 419120, 424528, 506168, 530660, 632710, 822523, 1012336, 1061320, 1265420, 1645046, 2122640, 2530840, 3290092, 4112615, 5061680, 6580184, 8225230, 13160368, 16450460, 32900920, 65801840]

約数ペア:

[(1, 65801840), (2, 32900920), (4, 16450460), (5, 13160368), (8, 8225230), (10, 6580184), (13, 5061680), (16, 4112615), (20, 3290092), (26, 2530840), (31, 2122640), (40, 1645046), (52, 1265420), (62, 1061320), (65, 1012336), (80, 822523), (104, 632710), (124, 530660), (130, 506168), (155, 424528), (157, 419120), (169, 389360), (208, 316355), (248, 265330), (260, 253084), (310, 212264), (314, 209560), (338, 194680), (403, 163280), (496, 132665), (520, 126542), (620, 106132), (628, 104780), (676, 97340), (785, 83824), (806, 81640), (845, 77872), (1040, 63271), (1240, 53066), (1256, 52390), (1352, 48670), (1570, 41912), (1612, 40820), (1690, 38936), (2015, 32656), (2041, 32240), (2480, 26533), (2512, 26195), (2704, 24335), (3140, 20956), (3224, 20410), (3380, 19468), (4030, 16328), (4082, 16120), (4867, 13520), (5239, 12560), (6280, 10478), (6448, 10205), (6760, 9734), (8060, 8164)]