31443920

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^2\times {\mathrm{409}}^1$

素因数の和:484

約数の個数: 60

約数和(自身を含む): 75726180

約数和(自身を除く): 44282260

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 409, 496, 620, 818, 961, 1240, 1636, 1922, 2045, 2480, 3272, 3844, 4090, 4805, 6544, 7688, 8180, 9610, 12679, 15376, 16360, 19220, 25358, 32720, 38440, 50716, 63395, 76880, 101432, 126790, 202864, 253580, 393049, 507160, 786098, 1014320, 1572196, 1965245, 3144392, 3930490, 6288784, 7860980, 15721960, 31443920]

約数ペア:

[(1, 31443920), (2, 15721960), (4, 7860980), (5, 6288784), (8, 3930490), (10, 3144392), (16, 1965245), (20, 1572196), (31, 1014320), (40, 786098), (62, 507160), (80, 393049), (124, 253580), (155, 202864), (248, 126790), (310, 101432), (409, 76880), (496, 63395), (620, 50716), (818, 38440), (961, 32720), (1240, 25358), (1636, 19220), (1922, 16360), (2045, 15376), (2480, 12679), (3272, 9610), (3844, 8180), (4090, 7688), (4805, 6544)]