68971040

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{25357}}^1$

素因数の和:25389

約数の個数: 48

約数和(自身を含む): 172535832

約数和(自身を除く): 103564792

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 25357, 50714, 101428, 126785, 202856, 253570, 405712, 431069, 507140, 811424, 862138, 1014280, 1724276, 2028560, 2155345, 3448552, 4057120, 4310690, 6897104, 8621380, 13794208, 17242760, 34485520, 68971040]

約数ペア:

[(1, 68971040), (2, 34485520), (4, 17242760), (5, 13794208), (8, 8621380), (10, 6897104), (16, 4310690), (17, 4057120), (20, 3448552), (32, 2155345), (34, 2028560), (40, 1724276), (68, 1014280), (80, 862138), (85, 811424), (136, 507140), (160, 431069), (170, 405712), (272, 253570), (340, 202856), (544, 126785), (680, 101428), (1360, 50714), (2720, 25357)]