8082500

素因数分解:

$2^2\times 5^4\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:138

約数の個数: 60

約数和(自身を含む): 18303516

約数和(自身を除く): 10221016

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 53, 61, 100, 106, 122, 125, 212, 244, 250, 265, 305, 500, 530, 610, 625, 1060, 1220, 1250, 1325, 1525, 2500, 2650, 3050, 3233, 5300, 6100, 6466, 6625, 7625, 12932, 13250, 15250, 16165, 26500, 30500, 32330, 33125, 38125, 64660, 66250, 76250, 80825, 132500, 152500, 161650, 323300, 404125, 808250, 1616500, 2020625, 4041250, 8082500]

約数ペア:

[(1, 8082500), (2, 4041250), (4, 2020625), (5, 1616500), (10, 808250), (20, 404125), (25, 323300), (50, 161650), (53, 152500), (61, 132500), (100, 80825), (106, 76250), (122, 66250), (125, 64660), (212, 38125), (244, 33125), (250, 32330), (265, 30500), (305, 26500), (500, 16165), (530, 15250), (610, 13250), (625, 12932), (1060, 7625), (1220, 6625), (1250, 6466), (1325, 6100), (1525, 5300), (2500, 3233), (2650, 3050)]