31087160

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{313}}^1$

素因数の和:528

約数の個数: 64

約数和(自身を含む): 75962880

約数和(自身を除く): 44875720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 191, 260, 313, 382, 520, 626, 764, 955, 1252, 1528, 1565, 1910, 2483, 2504, 3130, 3820, 4069, 4966, 6260, 7640, 8138, 9932, 12415, 12520, 16276, 19864, 20345, 24830, 32552, 40690, 49660, 59783, 81380, 99320, 119566, 162760, 239132, 298915, 478264, 597830, 777179, 1195660, 1554358, 2391320, 3108716, 3885895, 6217432, 7771790, 15543580, 31087160]

約数ペア:

[(1, 31087160), (2, 15543580), (4, 7771790), (5, 6217432), (8, 3885895), (10, 3108716), (13, 2391320), (20, 1554358), (26, 1195660), (40, 777179), (52, 597830), (65, 478264), (104, 298915), (130, 239132), (191, 162760), (260, 119566), (313, 99320), (382, 81380), (520, 59783), (626, 49660), (764, 40690), (955, 32552), (1252, 24830), (1528, 20345), (1565, 19864), (1910, 16276), (2483, 12520), (2504, 12415), (3130, 9932), (3820, 8138), (4069, 7640), (4966, 6260)]