2019693040

素因数分解:

$2^4\times 5^1\times {\mathrm{1123}}^1\times {\mathrm{22481}}^1$

素因数の和:23617

約数の個数: 40

約数和(自身を含む): 4700176848

約数和(自身を除く): 2680483808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1123, 2246, 4492, 5615, 8984, 11230, 17968, 22460, 22481, 44920, 44962, 89840, 89924, 112405, 179848, 224810, 359696, 449620, 899240, 1798480, 25246163, 50492326, 100984652, 126230815, 201969304, 252461630, 403938608, 504923260, 1009846520, 2019693040]

約数ペア:

[(1, 2019693040), (2, 1009846520), (4, 504923260), (5, 403938608), (8, 252461630), (10, 201969304), (16, 126230815), (20, 100984652), (40, 50492326), (80, 25246163), (1123, 1798480), (2246, 899240), (4492, 449620), (5615, 359696), (8984, 224810), (11230, 179848), (17968, 112405), (22460, 89924), (22481, 89840), (44920, 44962)]