22222720

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2671}}^1$

素因数の和:2703

約数の個数: 64

約数和(自身を含む): 57234240

約数和(自身を除く): 35011520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 2671, 4160, 5342, 8320, 10684, 13355, 21368, 26710, 34723, 42736, 53420, 69446, 85472, 106840, 138892, 170944, 173615, 213680, 277784, 341888, 347230, 427360, 555568, 694460, 854720, 1111136, 1388920, 1709440, 2222272, 2777840, 4444544, 5555680, 11111360, 22222720]

約数ペア:

[(1, 22222720), (2, 11111360), (4, 5555680), (5, 4444544), (8, 2777840), (10, 2222272), (13, 1709440), (16, 1388920), (20, 1111136), (26, 854720), (32, 694460), (40, 555568), (52, 427360), (64, 347230), (65, 341888), (80, 277784), (104, 213680), (128, 173615), (130, 170944), (160, 138892), (208, 106840), (260, 85472), (320, 69446), (416, 53420), (520, 42736), (640, 34723), (832, 26710), (1040, 21368), (1664, 13355), (2080, 10684), (2671, 8320), (4160, 5342)]