20140077520

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{427421}}^1$

素因数の和:427484

約数の個数: 80

約数和(自身を含む): 50880314880

約数和(自身を除く): 30740237360

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 62, 76, 80, 95, 124, 152, 155, 190, 248, 304, 310, 380, 496, 589, 620, 760, 1178, 1240, 1520, 2356, 2480, 2945, 4712, 5890, 9424, 11780, 23560, 47120, 427421, 854842, 1709684, 2137105, 3419368, 4274210, 6838736, 8120999, 8548420, 13250051, 16241998, 17096840, 26500102, 32483996, 34193680, 40604995, 53000204, 64967992, 66250255, 81209990, 106000408, 129935984, 132500510, 162419980, 212000816, 251750969, 265001020, 324839960, 503501938, 530002040, 649679920, 1007003876, 1060004080, 1258754845, 2014007752, 2517509690, 4028015504, 5035019380, 10070038760, 20140077520]

約数ペア:

[(1, 20140077520), (2, 10070038760), (4, 5035019380), (5, 4028015504), (8, 2517509690), (10, 2014007752), (16, 1258754845), (19, 1060004080), (20, 1007003876), (31, 649679920), (38, 530002040), (40, 503501938), (62, 324839960), (76, 265001020), (80, 251750969), (95, 212000816), (124, 162419980), (152, 132500510), (155, 129935984), (190, 106000408), (248, 81209990), (304, 66250255), (310, 64967992), (380, 53000204), (496, 40604995), (589, 34193680), (620, 32483996), (760, 26500102), (1178, 17096840), (1240, 16241998), (1520, 13250051), (2356, 8548420), (2480, 8120999), (2945, 6838736), (4712, 4274210), (5890, 3419368), (9424, 2137105), (11780, 1709684), (23560, 854842), (47120, 427421)]