40917520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2357}}^1$

素因数の和:2408

約数の個数: 80

約数和(自身を含む): 112278528

約数和(自身を除く): 71361008

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2357, 2480, 3472, 4340, 4714, 8680, 9428, 11785, 16499, 17360, 18856, 23570, 32998, 37712, 47140, 65996, 73067, 82495, 94280, 131992, 146134, 164990, 188560, 263984, 292268, 329980, 365335, 511469, 584536, 659960, 730670, 1022938, 1169072, 1319920, 1461340, 2045876, 2557345, 2922680, 4091752, 5114690, 5845360, 8183504, 10229380, 20458760, 40917520]

約数ペア:

[(1, 40917520), (2, 20458760), (4, 10229380), (5, 8183504), (7, 5845360), (8, 5114690), (10, 4091752), (14, 2922680), (16, 2557345), (20, 2045876), (28, 1461340), (31, 1319920), (35, 1169072), (40, 1022938), (56, 730670), (62, 659960), (70, 584536), (80, 511469), (112, 365335), (124, 329980), (140, 292268), (155, 263984), (217, 188560), (248, 164990), (280, 146134), (310, 131992), (434, 94280), (496, 82495), (560, 73067), (620, 65996), (868, 47140), (1085, 37712), (1240, 32998), (1736, 23570), (2170, 18856), (2357, 17360), (2480, 16499), (3472, 11785), (4340, 9428), (4714, 8680)]