123966800

素因数分解:

$2^4\times 5^2\times {\mathrm{79}}^1\times {\mathrm{3923}}^1$

素因数の和:4020

約数の個数: 60

約数和(自身を含む): 301677120

約数和(自身を除く): 177710320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 79, 80, 100, 158, 200, 316, 395, 400, 632, 790, 1264, 1580, 1975, 3160, 3923, 3950, 6320, 7846, 7900, 15692, 15800, 19615, 31384, 31600, 39230, 62768, 78460, 98075, 156920, 196150, 309917, 313840, 392300, 619834, 784600, 1239668, 1549585, 1569200, 2479336, 3099170, 4958672, 6198340, 7747925, 12396680, 15495850, 24793360, 30991700, 61983400, 123966800]

約数ペア:

[(1, 123966800), (2, 61983400), (4, 30991700), (5, 24793360), (8, 15495850), (10, 12396680), (16, 7747925), (20, 6198340), (25, 4958672), (40, 3099170), (50, 2479336), (79, 1569200), (80, 1549585), (100, 1239668), (158, 784600), (200, 619834), (316, 392300), (395, 313840), (400, 309917), (632, 196150), (790, 156920), (1264, 98075), (1580, 78460), (1975, 62768), (3160, 39230), (3923, 31600), (3950, 31384), (6320, 19615), (7846, 15800), (7900, 15692)]