82801000

素因数分解:

$2^3\times 5^3\times {\mathrm{31}}^1\times {\mathrm{2671}}^1$

素因数の和:2723

約数の個数: 64

約数和(自身を含む): 200079360

約数和(自身を除く): 117278360

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 125, 155, 200, 248, 250, 310, 500, 620, 775, 1000, 1240, 1550, 2671, 3100, 3875, 5342, 6200, 7750, 10684, 13355, 15500, 21368, 26710, 31000, 53420, 66775, 82801, 106840, 133550, 165602, 267100, 331204, 333875, 414005, 534200, 662408, 667750, 828010, 1335500, 1656020, 2070025, 2671000, 3312040, 4140050, 8280100, 10350125, 16560200, 20700250, 41400500, 82801000]

約数ペア:

[(1, 82801000), (2, 41400500), (4, 20700250), (5, 16560200), (8, 10350125), (10, 8280100), (20, 4140050), (25, 3312040), (31, 2671000), (40, 2070025), (50, 1656020), (62, 1335500), (100, 828010), (124, 667750), (125, 662408), (155, 534200), (200, 414005), (248, 333875), (250, 331204), (310, 267100), (500, 165602), (620, 133550), (775, 106840), (1000, 82801), (1240, 66775), (1550, 53420), (2671, 31000), (3100, 26710), (3875, 21368), (5342, 15500), (6200, 13355), (7750, 10684)]