88547780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{569}}^1$

素因数の和:860

約数の個数: 48

約数和(自身を含む): 193052160

約数和(自身を除く): 104504380

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 251, 310, 502, 569, 620, 1004, 1138, 1255, 2276, 2510, 2845, 5020, 5690, 7781, 11380, 15562, 17639, 31124, 35278, 38905, 70556, 77810, 88195, 142819, 155620, 176390, 285638, 352780, 571276, 714095, 1428190, 2856380, 4427389, 8854778, 17709556, 22136945, 44273890, 88547780]

約数ペア:

[(1, 88547780), (2, 44273890), (4, 22136945), (5, 17709556), (10, 8854778), (20, 4427389), (31, 2856380), (62, 1428190), (124, 714095), (155, 571276), (251, 352780), (310, 285638), (502, 176390), (569, 155620), (620, 142819), (1004, 88195), (1138, 77810), (1255, 70556), (2276, 38905), (2510, 35278), (2845, 31124), (5020, 17639), (5690, 15562), (7781, 11380)]