40800100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1279}}^1$

素因数の和:1333

約数の個数: 72

約数和(自身を含む): 99993600

約数和(自身を除く): 59193500

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 29, 44, 50, 55, 58, 100, 110, 116, 145, 220, 275, 290, 319, 550, 580, 638, 725, 1100, 1276, 1279, 1450, 1595, 2558, 2900, 3190, 5116, 6380, 6395, 7975, 12790, 14069, 15950, 25580, 28138, 31900, 31975, 37091, 56276, 63950, 70345, 74182, 127900, 140690, 148364, 185455, 281380, 351725, 370910, 408001, 703450, 741820, 816002, 927275, 1406900, 1632004, 1854550, 2040005, 3709100, 4080010, 8160020, 10200025, 20400050, 40800100]

約数ペア:

[(1, 40800100), (2, 20400050), (4, 10200025), (5, 8160020), (10, 4080010), (11, 3709100), (20, 2040005), (22, 1854550), (25, 1632004), (29, 1406900), (44, 927275), (50, 816002), (55, 741820), (58, 703450), (100, 408001), (110, 370910), (116, 351725), (145, 281380), (220, 185455), (275, 148364), (290, 140690), (319, 127900), (550, 74182), (580, 70345), (638, 63950), (725, 56276), (1100, 37091), (1276, 31975), (1279, 31900), (1450, 28138), (1595, 25580), (2558, 15950), (2900, 14069), (3190, 12790), (5116, 7975), (6380, 6395)]