29908840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{509}}^1$

素因数の和:646

約数の個数: 64

約数和(自身を含む): 73256400

約数和(自身を除く): 43347560

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 113, 130, 226, 260, 452, 509, 520, 565, 904, 1018, 1130, 1469, 2036, 2260, 2545, 2938, 4072, 4520, 5090, 5876, 6617, 7345, 10180, 11752, 13234, 14690, 20360, 26468, 29380, 33085, 52936, 57517, 58760, 66170, 115034, 132340, 230068, 264680, 287585, 460136, 575170, 747721, 1150340, 1495442, 2300680, 2990884, 3738605, 5981768, 7477210, 14954420, 29908840]

約数ペア:

[(1, 29908840), (2, 14954420), (4, 7477210), (5, 5981768), (8, 3738605), (10, 2990884), (13, 2300680), (20, 1495442), (26, 1150340), (40, 747721), (52, 575170), (65, 460136), (104, 287585), (113, 264680), (130, 230068), (226, 132340), (260, 115034), (452, 66170), (509, 58760), (520, 57517), (565, 52936), (904, 33085), (1018, 29380), (1130, 26468), (1469, 20360), (2036, 14690), (2260, 13234), (2545, 11752), (2938, 10180), (4072, 7345), (4520, 6617), (5090, 5876)]