41988880

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{16931}}^1$

素因数の和:16975

約数の個数: 40

約数和(自身を含む): 100779264

約数和(自身を除く): 58790384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 16931, 33862, 67724, 84655, 135448, 169310, 270896, 338620, 524861, 677240, 1049722, 1354480, 2099444, 2624305, 4198888, 5248610, 8397776, 10497220, 20994440, 41988880]

約数ペア:

[(1, 41988880), (2, 20994440), (4, 10497220), (5, 8397776), (8, 5248610), (10, 4198888), (16, 2624305), (20, 2099444), (31, 1354480), (40, 1049722), (62, 677240), (80, 524861), (124, 338620), (155, 270896), (248, 169310), (310, 135448), (496, 84655), (620, 67724), (1240, 33862), (2480, 16931)]