161661760

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{38861}}^1$

素因数の和:38891

約数の個数: 56

約数和(自身を含む): 414579816

約数和(自身を除く): 252918056

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 38861, 77722, 155444, 194305, 310888, 388610, 505193, 621776, 777220, 1010386, 1243552, 1554440, 2020772, 2487104, 2525965, 3108880, 4041544, 5051930, 6217760, 8083088, 10103860, 12435520, 16166176, 20207720, 32332352, 40415440, 80830880, 161661760]

約数ペア:

[(1, 161661760), (2, 80830880), (4, 40415440), (5, 32332352), (8, 20207720), (10, 16166176), (13, 12435520), (16, 10103860), (20, 8083088), (26, 6217760), (32, 5051930), (40, 4041544), (52, 3108880), (64, 2525965), (65, 2487104), (80, 2020772), (104, 1554440), (130, 1243552), (160, 1010386), (208, 777220), (260, 621776), (320, 505193), (416, 388610), (520, 310888), (832, 194305), (1040, 155444), (2080, 77722), (4160, 38861)]