2021893625

素因数分解:

$5^3\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{7349}}^1$

素因数の和:7466

約数の個数: 32

約数和(自身を含む): 2641766400

約数和(自身を除く): 619872775

約数列:

[1, 5, 25, 31, 71, 125, 155, 355, 775, 1775, 2201, 3875, 7349, 8875, 11005, 36745, 55025, 183725, 227819, 275125, 521779, 918625, 1139095, 2608895, 5695475, 13044475, 16175149, 28477375, 65222375, 80875745, 404378725, 2021893625]

約数ペア:

[(1, 2021893625), (5, 404378725), (25, 80875745), (31, 65222375), (71, 28477375), (125, 16175149), (155, 13044475), (355, 5695475), (775, 2608895), (1775, 1139095), (2201, 918625), (3875, 521779), (7349, 275125), (8875, 227819), (11005, 183725), (36745, 55025)]