2051225500

素因数分解:

$2^2\times 5^3\times {\mathrm{71}}^1\times {\mathrm{57781}}^1$

素因数の和:57871

約数の個数: 48

約数和(自身を含む): 4543051968

約数和(自身を除く): 2491826468

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 125, 142, 250, 284, 355, 500, 710, 1420, 1775, 3550, 7100, 8875, 17750, 35500, 57781, 115562, 231124, 288905, 577810, 1155620, 1444525, 2889050, 4102451, 5778100, 7222625, 8204902, 14445250, 16409804, 20512255, 28890500, 41024510, 82049020, 102561275, 205122550, 410245100, 512806375, 1025612750, 2051225500]

約数ペア:

[(1, 2051225500), (2, 1025612750), (4, 512806375), (5, 410245100), (10, 205122550), (20, 102561275), (25, 82049020), (50, 41024510), (71, 28890500), (100, 20512255), (125, 16409804), (142, 14445250), (250, 8204902), (284, 7222625), (355, 5778100), (500, 4102451), (710, 2889050), (1420, 1444525), (1775, 1155620), (3550, 577810), (7100, 288905), (8875, 231124), (17750, 115562), (35500, 57781)]