808214420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{27509}}^1$

素因数の和:27644

約数の個数: 48

約数和(自身を含む): 1844050320

約数和(自身を除く): 1035835900

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 113, 130, 226, 260, 452, 565, 1130, 1469, 2260, 2938, 5876, 7345, 14690, 27509, 29380, 55018, 110036, 137545, 275090, 357617, 550180, 715234, 1430468, 1788085, 3108517, 3576170, 6217034, 7152340, 12434068, 15542585, 31085170, 40410721, 62170340, 80821442, 161642884, 202053605, 404107210, 808214420]

約数ペア:

[(1, 808214420), (2, 404107210), (4, 202053605), (5, 161642884), (10, 80821442), (13, 62170340), (20, 40410721), (26, 31085170), (52, 15542585), (65, 12434068), (113, 7152340), (130, 6217034), (226, 3576170), (260, 3108517), (452, 1788085), (565, 1430468), (1130, 715234), (1469, 550180), (2260, 357617), (2938, 275090), (5876, 137545), (7345, 110036), (14690, 55018), (27509, 29380)]