40415440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{38861}}^1$

素因数の和:38887

約数の個数: 40

約数和(自身を含む): 101196648

約数和(自身を除く): 60781208

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 38861, 77722, 155444, 194305, 310888, 388610, 505193, 621776, 777220, 1010386, 1554440, 2020772, 2525965, 3108880, 4041544, 5051930, 8083088, 10103860, 20207720, 40415440]

約数ペア:

[(1, 40415440), (2, 20207720), (4, 10103860), (5, 8083088), (8, 5051930), (10, 4041544), (13, 3108880), (16, 2525965), (20, 2020772), (26, 1554440), (40, 1010386), (52, 777220), (65, 621776), (80, 505193), (104, 388610), (130, 310888), (208, 194305), (260, 155444), (520, 77722), (1040, 38861)]