2665742080

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67181}}^1$

素因数の和:67233

約数の個数: 72

約数和(自身を含む): 6591360384

約数和(自身を除く): 3925618304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1240, 1280, 1984, 2480, 3968, 4960, 7936, 9920, 19840, 39680, 67181, 134362, 268724, 335905, 537448, 671810, 1074896, 1343620, 2082611, 2149792, 2687240, 4165222, 4299584, 5374480, 8330444, 8599168, 10413055, 10748960, 16660888, 17198336, 20826110, 21497920, 33321776, 41652220, 42995840, 66643552, 83304440, 85991680, 133287104, 166608880, 266574208, 333217760, 533148416, 666435520, 1332871040, 2665742080]

約数ペア:

[(1, 2665742080), (2, 1332871040), (4, 666435520), (5, 533148416), (8, 333217760), (10, 266574208), (16, 166608880), (20, 133287104), (31, 85991680), (32, 83304440), (40, 66643552), (62, 42995840), (64, 41652220), (80, 33321776), (124, 21497920), (128, 20826110), (155, 17198336), (160, 16660888), (248, 10748960), (256, 10413055), (310, 8599168), (320, 8330444), (496, 5374480), (620, 4299584), (640, 4165222), (992, 2687240), (1240, 2149792), (1280, 2082611), (1984, 1343620), (2480, 1074896), (3968, 671810), (4960, 537448), (7936, 335905), (9920, 268724), (19840, 134362), (39680, 67181)]