31606520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{2477}}^1$

素因数の和:2528

約数の個数: 64

約数和(自身を含む): 80287200

約数和(自身を除く): 48680680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 40, 44, 55, 58, 88, 110, 116, 145, 220, 232, 290, 319, 440, 580, 638, 1160, 1276, 1595, 2477, 2552, 3190, 4954, 6380, 9908, 12385, 12760, 19816, 24770, 27247, 49540, 54494, 71833, 99080, 108988, 136235, 143666, 217976, 272470, 287332, 359165, 544940, 574664, 718330, 790163, 1089880, 1436660, 1580326, 2873320, 3160652, 3950815, 6321304, 7901630, 15803260, 31606520]

約数ペア:

[(1, 31606520), (2, 15803260), (4, 7901630), (5, 6321304), (8, 3950815), (10, 3160652), (11, 2873320), (20, 1580326), (22, 1436660), (29, 1089880), (40, 790163), (44, 718330), (55, 574664), (58, 544940), (88, 359165), (110, 287332), (116, 272470), (145, 217976), (220, 143666), (232, 136235), (290, 108988), (319, 99080), (440, 71833), (580, 54494), (638, 49540), (1160, 27247), (1276, 24770), (1595, 19816), (2477, 12760), (2552, 12385), (3190, 9908), (4954, 6380)]