21562600

素因数分解:

$2^3\times 5^2\times {\mathrm{131}}^1\times {\mathrm{823}}^1$

素因数の和:970

約数の個数: 48

約数和(自身を含む): 50577120

約数和(自身を除く): 29014520

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 131, 200, 262, 524, 655, 823, 1048, 1310, 1646, 2620, 3275, 3292, 4115, 5240, 6550, 6584, 8230, 13100, 16460, 20575, 26200, 32920, 41150, 82300, 107813, 164600, 215626, 431252, 539065, 862504, 1078130, 2156260, 2695325, 4312520, 5390650, 10781300, 21562600]

約数ペア:

[(1, 21562600), (2, 10781300), (4, 5390650), (5, 4312520), (8, 2695325), (10, 2156260), (20, 1078130), (25, 862504), (40, 539065), (50, 431252), (100, 215626), (131, 164600), (200, 107813), (262, 82300), (524, 41150), (655, 32920), (823, 26200), (1048, 20575), (1310, 16460), (1646, 13100), (2620, 8230), (3275, 6584), (3292, 6550), (4115, 5240)]