79888040

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{1129}}^1$

素因数の和:1230

約数の個数: 64

約数和(自身を含む): 189162000

約数和(自身を除く): 109273960

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 61, 116, 122, 145, 232, 244, 290, 305, 488, 580, 610, 1129, 1160, 1220, 1769, 2258, 2440, 3538, 4516, 5645, 7076, 8845, 9032, 11290, 14152, 17690, 22580, 32741, 35380, 45160, 65482, 68869, 70760, 130964, 137738, 163705, 261928, 275476, 327410, 344345, 550952, 654820, 688690, 1309640, 1377380, 1997201, 2754760, 3994402, 7988804, 9986005, 15977608, 19972010, 39944020, 79888040]

約数ペア:

[(1, 79888040), (2, 39944020), (4, 19972010), (5, 15977608), (8, 9986005), (10, 7988804), (20, 3994402), (29, 2754760), (40, 1997201), (58, 1377380), (61, 1309640), (116, 688690), (122, 654820), (145, 550952), (232, 344345), (244, 327410), (290, 275476), (305, 261928), (488, 163705), (580, 137738), (610, 130964), (1129, 70760), (1160, 68869), (1220, 65482), (1769, 45160), (2258, 35380), (2440, 32741), (3538, 22580), (4516, 17690), (5645, 14152), (7076, 11290), (8845, 9032)]