4028240

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1171}}^1$

素因数の和:1227

約数の個数: 40

約数和(自身を含む): 9591648

約数和(自身を除く): 5563408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1171, 1720, 2342, 3440, 4684, 5855, 9368, 11710, 18736, 23420, 46840, 50353, 93680, 100706, 201412, 251765, 402824, 503530, 805648, 1007060, 2014120, 4028240]

約数ペア:

[(1, 4028240), (2, 2014120), (4, 1007060), (5, 805648), (8, 503530), (10, 402824), (16, 251765), (20, 201412), (40, 100706), (43, 93680), (80, 50353), (86, 46840), (172, 23420), (215, 18736), (344, 11710), (430, 9368), (688, 5855), (860, 4684), (1171, 3440), (1720, 2342)]