25855360

素因数分解:

$2^7\times 5^1\times {\mathrm{71}}^1\times {\mathrm{569}}^1$

素因数の和:659

約数の個数: 64

約数和(自身を含む): 62791200

約数和(自身を除く): 36935840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 128, 142, 160, 284, 320, 355, 568, 569, 640, 710, 1136, 1138, 1420, 2272, 2276, 2840, 2845, 4544, 4552, 5680, 5690, 9088, 9104, 11360, 11380, 18208, 22720, 22760, 36416, 40399, 45440, 45520, 72832, 80798, 91040, 161596, 182080, 201995, 323192, 364160, 403990, 646384, 807980, 1292768, 1615960, 2585536, 3231920, 5171072, 6463840, 12927680, 25855360]

約数ペア:

[(1, 25855360), (2, 12927680), (4, 6463840), (5, 5171072), (8, 3231920), (10, 2585536), (16, 1615960), (20, 1292768), (32, 807980), (40, 646384), (64, 403990), (71, 364160), (80, 323192), (128, 201995), (142, 182080), (160, 161596), (284, 91040), (320, 80798), (355, 72832), (568, 45520), (569, 45440), (640, 40399), (710, 36416), (1136, 22760), (1138, 22720), (1420, 18208), (2272, 11380), (2276, 11360), (2840, 9104), (2845, 9088), (4544, 5690), (4552, 5680)]