31032040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{719}}^1$

素因数の和:826

約数の個数: 64

約数和(自身を含む): 76204800

約数和(自身を除く): 45172760

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 83, 104, 130, 166, 260, 332, 415, 520, 664, 719, 830, 1079, 1438, 1660, 2158, 2876, 3320, 3595, 4316, 5395, 5752, 7190, 8632, 9347, 10790, 14380, 18694, 21580, 28760, 37388, 43160, 46735, 59677, 74776, 93470, 119354, 186940, 238708, 298385, 373880, 477416, 596770, 775801, 1193540, 1551602, 2387080, 3103204, 3879005, 6206408, 7758010, 15516020, 31032040]

約数ペア:

[(1, 31032040), (2, 15516020), (4, 7758010), (5, 6206408), (8, 3879005), (10, 3103204), (13, 2387080), (20, 1551602), (26, 1193540), (40, 775801), (52, 596770), (65, 477416), (83, 373880), (104, 298385), (130, 238708), (166, 186940), (260, 119354), (332, 93470), (415, 74776), (520, 59677), (664, 46735), (719, 43160), (830, 37388), (1079, 28760), (1438, 21580), (1660, 18694), (2158, 14380), (2876, 10790), (3320, 9347), (3595, 8632), (4316, 7190), (5395, 5752)]