209722720

素因数分解:

$2^5\times 5^1\times {\mathrm{127}}^1\times {\mathrm{10321}}^1$

素因数の和:10463

約数の個数: 48

約数和(自身を含む): 499419648

約数和(自身を除く): 289696928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 127, 160, 254, 508, 635, 1016, 1270, 2032, 2540, 4064, 5080, 10160, 10321, 20320, 20642, 41284, 51605, 82568, 103210, 165136, 206420, 330272, 412840, 825680, 1310767, 1651360, 2621534, 5243068, 6553835, 10486136, 13107670, 20972272, 26215340, 41944544, 52430680, 104861360, 209722720]

約数ペア:

[(1, 209722720), (2, 104861360), (4, 52430680), (5, 41944544), (8, 26215340), (10, 20972272), (16, 13107670), (20, 10486136), (32, 6553835), (40, 5243068), (80, 2621534), (127, 1651360), (160, 1310767), (254, 825680), (508, 412840), (635, 330272), (1016, 206420), (1270, 165136), (2032, 103210), (2540, 82568), (4064, 51605), (5080, 41284), (10160, 20642), (10321, 20320)]