25582720

素因数分解:

$2^7\times 5^1\times {\mathrm{71}}^1\times {\mathrm{563}}^1$

素因数の和:653

約数の個数: 64

約数和(自身を含む): 62130240

約数和(自身を除く): 36547520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 128, 142, 160, 284, 320, 355, 563, 568, 640, 710, 1126, 1136, 1420, 2252, 2272, 2815, 2840, 4504, 4544, 5630, 5680, 9008, 9088, 11260, 11360, 18016, 22520, 22720, 36032, 39973, 45040, 45440, 72064, 79946, 90080, 159892, 180160, 199865, 319784, 360320, 399730, 639568, 799460, 1279136, 1598920, 2558272, 3197840, 5116544, 6395680, 12791360, 25582720]

約数ペア:

[(1, 25582720), (2, 12791360), (4, 6395680), (5, 5116544), (8, 3197840), (10, 2558272), (16, 1598920), (20, 1279136), (32, 799460), (40, 639568), (64, 399730), (71, 360320), (80, 319784), (128, 199865), (142, 180160), (160, 159892), (284, 90080), (320, 79946), (355, 72064), (563, 45440), (568, 45040), (640, 39973), (710, 36032), (1126, 22720), (1136, 22520), (1420, 18016), (2252, 11360), (2272, 11260), (2815, 9088), (2840, 9008), (4504, 5680), (4544, 5630)]