40018020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{631}}^1$

素因数の和:801

約数の個数: 96

約数和(自身を含む): 129110016

約数和(自身を除く): 89091996

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 151, 210, 302, 420, 453, 604, 631, 755, 906, 1057, 1262, 1510, 1812, 1893, 2114, 2265, 2524, 3020, 3155, 3171, 3786, 4228, 4417, 4530, 5285, 6310, 6342, 7572, 8834, 9060, 9465, 10570, 12620, 12684, 13251, 15855, 17668, 18930, 21140, 22085, 26502, 31710, 37860, 44170, 53004, 63420, 66255, 88340, 95281, 132510, 190562, 265020, 285843, 381124, 476405, 571686, 666967, 952810, 1143372, 1333934, 1429215, 1905620, 2000901, 2667868, 2858430, 3334835, 4001802, 5716860, 6669670, 8003604, 10004505, 13339340, 20009010, 40018020]

約数ペア:

[(1, 40018020), (2, 20009010), (3, 13339340), (4, 10004505), (5, 8003604), (6, 6669670), (7, 5716860), (10, 4001802), (12, 3334835), (14, 2858430), (15, 2667868), (20, 2000901), (21, 1905620), (28, 1429215), (30, 1333934), (35, 1143372), (42, 952810), (60, 666967), (70, 571686), (84, 476405), (105, 381124), (140, 285843), (151, 265020), (210, 190562), (302, 132510), (420, 95281), (453, 88340), (604, 66255), (631, 63420), (755, 53004), (906, 44170), (1057, 37860), (1262, 31710), (1510, 26502), (1812, 22085), (1893, 21140), (2114, 18930), (2265, 17668), (2524, 15855), (3020, 13251), (3155, 12684), (3171, 12620), (3786, 10570), (4228, 9465), (4417, 9060), (4530, 8834), (5285, 7572), (6310, 6342)]