4387658920

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{970721}}^1$

素因数の和:970845

約数の個数: 32

約数和(自身を含む): 9959607720

約数和(自身を除く): 5571948800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 970721, 1941442, 3882884, 4853605, 7765768, 9707210, 19414420, 38828840, 109691473, 219382946, 438765892, 548457365, 877531784, 1096914730, 2193829460, 4387658920]

約数ペア:

[(1, 4387658920), (2, 2193829460), (4, 1096914730), (5, 877531784), (8, 548457365), (10, 438765892), (20, 219382946), (40, 109691473), (113, 38828840), (226, 19414420), (452, 9707210), (565, 7765768), (904, 4853605), (1130, 3882884), (2260, 1941442), (4520, 970721)]