2559680

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1$

素因数の和:457

約数の個数: 56

約数和(自身を含む): 6431280

約数和(自身を除く): 3871600

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 152, 160, 190, 304, 320, 380, 421, 608, 760, 842, 1216, 1520, 1684, 2105, 3040, 3368, 4210, 6080, 6736, 7999, 8420, 13472, 15998, 16840, 26944, 31996, 33680, 39995, 63992, 67360, 79990, 127984, 134720, 159980, 255968, 319960, 511936, 639920, 1279840, 2559680]

約数ペア:

[(1, 2559680), (2, 1279840), (4, 639920), (5, 511936), (8, 319960), (10, 255968), (16, 159980), (19, 134720), (20, 127984), (32, 79990), (38, 67360), (40, 63992), (64, 39995), (76, 33680), (80, 31996), (95, 26944), (152, 16840), (160, 15998), (190, 13472), (304, 8420), (320, 7999), (380, 6736), (421, 6080), (608, 4210), (760, 3368), (842, 3040), (1216, 2105), (1520, 1684)]