8236220

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:270

約数の個数: 48

約数和(自身を含む): 18103008

約数和(自身を除く): 9866788

約数列:

[1, 2, 4, 5, 10, 20, 43, 61, 86, 122, 157, 172, 215, 244, 305, 314, 430, 610, 628, 785, 860, 1220, 1570, 2623, 3140, 5246, 6751, 9577, 10492, 13115, 13502, 19154, 26230, 27004, 33755, 38308, 47885, 52460, 67510, 95770, 135020, 191540, 411811, 823622, 1647244, 2059055, 4118110, 8236220]

約数ペア:

[(1, 8236220), (2, 4118110), (4, 2059055), (5, 1647244), (10, 823622), (20, 411811), (43, 191540), (61, 135020), (86, 95770), (122, 67510), (157, 52460), (172, 47885), (215, 38308), (244, 33755), (305, 27004), (314, 26230), (430, 19154), (610, 13502), (628, 13115), (785, 10492), (860, 9577), (1220, 6751), (1570, 5246), (2623, 3140)]