123615440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{118861}}^1$

素因数の和:118887

約数の個数: 40

約数和(自身を含む): 309516648

約数和(自身を除く): 185901208

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 118861, 237722, 475444, 594305, 950888, 1188610, 1545193, 1901776, 2377220, 3090386, 4754440, 6180772, 7725965, 9508880, 12361544, 15451930, 24723088, 30903860, 61807720, 123615440]

約数ペア:

[(1, 123615440), (2, 61807720), (4, 30903860), (5, 24723088), (8, 15451930), (10, 12361544), (13, 9508880), (16, 7725965), (20, 6180772), (26, 4754440), (40, 3090386), (52, 2377220), (65, 1901776), (80, 1545193), (104, 1188610), (130, 950888), (208, 594305), (260, 475444), (520, 237722), (1040, 118861)]