42215420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{9551}}^1$

素因数の和:9590

約数の個数: 48

約数和(自身を含む): 101098368

約数和(自身を除く): 58882948

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 9551, 19102, 38204, 47755, 95510, 124163, 162367, 191020, 248326, 324734, 496652, 620815, 649468, 811835, 1241630, 1623670, 2110771, 2483260, 3247340, 4221542, 8443084, 10553855, 21107710, 42215420]

約数ペア:

[(1, 42215420), (2, 21107710), (4, 10553855), (5, 8443084), (10, 4221542), (13, 3247340), (17, 2483260), (20, 2110771), (26, 1623670), (34, 1241630), (52, 811835), (65, 649468), (68, 620815), (85, 496652), (130, 324734), (170, 248326), (221, 191020), (260, 162367), (340, 124163), (442, 95510), (884, 47755), (1105, 38204), (2210, 19102), (4420, 9551)]