79776020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1\times {\mathrm{577}}^1$

素因数の和:840

約数の個数: 48

約数和(自身を含む): 174010368

約数和(自身を除く): 94234348

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 223, 310, 446, 577, 620, 892, 1115, 1154, 2230, 2308, 2885, 4460, 5770, 6913, 11540, 13826, 17887, 27652, 34565, 35774, 69130, 71548, 89435, 128671, 138260, 178870, 257342, 357740, 514684, 643355, 1286710, 2573420, 3988801, 7977602, 15955204, 19944005, 39888010, 79776020]

約数ペア:

[(1, 79776020), (2, 39888010), (4, 19944005), (5, 15955204), (10, 7977602), (20, 3988801), (31, 2573420), (62, 1286710), (124, 643355), (155, 514684), (223, 357740), (310, 257342), (446, 178870), (577, 138260), (620, 128671), (892, 89435), (1115, 71548), (1154, 69130), (2230, 35774), (2308, 34565), (2885, 27652), (4460, 17887), (5770, 13826), (6913, 11540)]