87982960

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2729}}^1$

素因数の和:2786

約数の個数: 80

約数和(自身を含む): 227485440

約数和(自身を除く): 139502480

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 2015, 2480, 2729, 3224, 4030, 5458, 6448, 8060, 10916, 13645, 16120, 21832, 27290, 32240, 35477, 43664, 54580, 70954, 84599, 109160, 141908, 169198, 177385, 218320, 283816, 338396, 354770, 422995, 567632, 676792, 709540, 845990, 1099787, 1353584, 1419080, 1691980, 2199574, 2838160, 3383960, 4399148, 5498935, 6767920, 8798296, 10997870, 17596592, 21995740, 43991480, 87982960]

約数ペア:

[(1, 87982960), (2, 43991480), (4, 21995740), (5, 17596592), (8, 10997870), (10, 8798296), (13, 6767920), (16, 5498935), (20, 4399148), (26, 3383960), (31, 2838160), (40, 2199574), (52, 1691980), (62, 1419080), (65, 1353584), (80, 1099787), (104, 845990), (124, 709540), (130, 676792), (155, 567632), (208, 422995), (248, 354770), (260, 338396), (310, 283816), (403, 218320), (496, 177385), (520, 169198), (620, 141908), (806, 109160), (1040, 84599), (1240, 70954), (1612, 54580), (2015, 43664), (2480, 35477), (2729, 32240), (3224, 27290), (4030, 21832), (5458, 16120), (6448, 13645), (8060, 10916)]