48138920

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{197}}^1$

素因数の和:398

約数の個数: 64

約数和(自身を含む): 112266000

約数和(自身を除く): 64127080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 149, 164, 197, 205, 298, 328, 394, 410, 596, 745, 788, 820, 985, 1192, 1490, 1576, 1640, 1970, 2980, 3940, 5960, 6109, 7880, 8077, 12218, 16154, 24436, 29353, 30545, 32308, 40385, 48872, 58706, 61090, 64616, 80770, 117412, 122180, 146765, 161540, 234824, 244360, 293530, 323080, 587060, 1174120, 1203473, 2406946, 4813892, 6017365, 9627784, 12034730, 24069460, 48138920]

約数ペア:

[(1, 48138920), (2, 24069460), (4, 12034730), (5, 9627784), (8, 6017365), (10, 4813892), (20, 2406946), (40, 1203473), (41, 1174120), (82, 587060), (149, 323080), (164, 293530), (197, 244360), (205, 234824), (298, 161540), (328, 146765), (394, 122180), (410, 117412), (596, 80770), (745, 64616), (788, 61090), (820, 58706), (985, 48872), (1192, 40385), (1490, 32308), (1576, 30545), (1640, 29353), (1970, 24436), (2980, 16154), (3940, 12218), (5960, 8077), (6109, 7880)]