83841560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{2141}}^1$

素因数の和:2252

約数の個数: 64

約数和(自身を含む): 208202400

約数和(自身を除く): 124360840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 89, 110, 178, 220, 356, 440, 445, 712, 890, 979, 1780, 1958, 2141, 3560, 3916, 4282, 4895, 7832, 8564, 9790, 10705, 17128, 19580, 21410, 23551, 39160, 42820, 47102, 85640, 94204, 117755, 188408, 190549, 235510, 381098, 471020, 762196, 942040, 952745, 1524392, 1905490, 2096039, 3810980, 4192078, 7621960, 8384156, 10480195, 16768312, 20960390, 41920780, 83841560]

約数ペア:

[(1, 83841560), (2, 41920780), (4, 20960390), (5, 16768312), (8, 10480195), (10, 8384156), (11, 7621960), (20, 4192078), (22, 3810980), (40, 2096039), (44, 1905490), (55, 1524392), (88, 952745), (89, 942040), (110, 762196), (178, 471020), (220, 381098), (356, 235510), (440, 190549), (445, 188408), (712, 117755), (890, 94204), (979, 85640), (1780, 47102), (1958, 42820), (2141, 39160), (3560, 23551), (3916, 21410), (4282, 19580), (4895, 17128), (7832, 10705), (8564, 9790)]