56665520

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{313}}^1$

素因数の和:430

約数の個数: 80

約数和(自身を含む): 138300672

約数和(自身を除く): 81635152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 73, 80, 124, 146, 155, 248, 292, 310, 313, 365, 496, 584, 620, 626, 730, 1168, 1240, 1252, 1460, 1565, 2263, 2480, 2504, 2920, 3130, 4526, 5008, 5840, 6260, 9052, 9703, 11315, 12520, 18104, 19406, 22630, 22849, 25040, 36208, 38812, 45260, 45698, 48515, 77624, 90520, 91396, 97030, 114245, 155248, 181040, 182792, 194060, 228490, 365584, 388120, 456980, 708319, 776240, 913960, 1416638, 1827920, 2833276, 3541595, 5666552, 7083190, 11333104, 14166380, 28332760, 56665520]

約数ペア:

[(1, 56665520), (2, 28332760), (4, 14166380), (5, 11333104), (8, 7083190), (10, 5666552), (16, 3541595), (20, 2833276), (31, 1827920), (40, 1416638), (62, 913960), (73, 776240), (80, 708319), (124, 456980), (146, 388120), (155, 365584), (248, 228490), (292, 194060), (310, 182792), (313, 181040), (365, 155248), (496, 114245), (584, 97030), (620, 91396), (626, 90520), (730, 77624), (1168, 48515), (1240, 45698), (1252, 45260), (1460, 38812), (1565, 36208), (2263, 25040), (2480, 22849), (2504, 22630), (2920, 19406), (3130, 18104), (4526, 12520), (5008, 11315), (5840, 9703), (6260, 9052)]