6451640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{653}}^1$

素因数の和:696

約数の個数: 64

約数和(自身を含む): 16480800

約数和(自身を除く): 10029160

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 653, 760, 988, 1235, 1306, 1976, 2470, 2612, 3265, 4940, 5224, 6530, 8489, 9880, 12407, 13060, 16978, 24814, 26120, 33956, 42445, 49628, 62035, 67912, 84890, 99256, 124070, 161291, 169780, 248140, 322582, 339560, 496280, 645164, 806455, 1290328, 1612910, 3225820, 6451640]

約数ペア:

[(1, 6451640), (2, 3225820), (4, 1612910), (5, 1290328), (8, 806455), (10, 645164), (13, 496280), (19, 339560), (20, 322582), (26, 248140), (38, 169780), (40, 161291), (52, 124070), (65, 99256), (76, 84890), (95, 67912), (104, 62035), (130, 49628), (152, 42445), (190, 33956), (247, 26120), (260, 24814), (380, 16978), (494, 13060), (520, 12407), (653, 9880), (760, 8489), (988, 6530), (1235, 5224), (1306, 4940), (1976, 3265), (2470, 2612)]