1569400820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{26591}}^1$

素因数の和:26840

約数の個数: 48

約数和(自身を含む): 3565029888

約数和(自身を除く): 1995629068

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 227, 260, 454, 908, 1135, 2270, 2951, 4540, 5902, 11804, 14755, 26591, 29510, 53182, 59020, 106364, 132955, 265910, 345683, 531820, 691366, 1382732, 1728415, 3456830, 6036157, 6913660, 12072314, 24144628, 30180785, 60361570, 78470041, 120723140, 156940082, 313880164, 392350205, 784700410, 1569400820]

約数ペア:

[(1, 1569400820), (2, 784700410), (4, 392350205), (5, 313880164), (10, 156940082), (13, 120723140), (20, 78470041), (26, 60361570), (52, 30180785), (65, 24144628), (130, 12072314), (227, 6913660), (260, 6036157), (454, 3456830), (908, 1728415), (1135, 1382732), (2270, 691366), (2951, 531820), (4540, 345683), (5902, 265910), (11804, 132955), (14755, 106364), (26591, 59020), (29510, 53182)]