2017647440

素因数分解:

$2^4\times 5^1\times {\mathrm{281}}^1\times {\mathrm{89753}}^1$

素因数の和:90047

約数の個数: 40

約数和(自身を含む): 4707776808

約数和(自身を除く): 2690129368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 281, 562, 1124, 1405, 2248, 2810, 4496, 5620, 11240, 22480, 89753, 179506, 359012, 448765, 718024, 897530, 1436048, 1795060, 3590120, 7180240, 25220593, 50441186, 100882372, 126102965, 201764744, 252205930, 403529488, 504411860, 1008823720, 2017647440]

約数ペア:

[(1, 2017647440), (2, 1008823720), (4, 504411860), (5, 403529488), (8, 252205930), (10, 201764744), (16, 126102965), (20, 100882372), (40, 50441186), (80, 25220593), (281, 7180240), (562, 3590120), (1124, 1795060), (1405, 1436048), (2248, 897530), (2810, 718024), (4496, 448765), (5620, 359012), (11240, 179506), (22480, 89753)]