2499017560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{252937}}^1$

素因数の和:252980

約数の個数: 64

約数和(自身を含む): 6374037600

約数和(自身を除く): 3875020040

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, 760, 988, 1235, 1976, 2470, 4940, 9880, 252937, 505874, 1011748, 1264685, 2023496, 2529370, 3288181, 4805803, 5058740, 6576362, 9611606, 10117480, 13152724, 16440905, 19223212, 24029015, 26305448, 32881810, 38446424, 48058030, 62475439, 65763620, 96116060, 124950878, 131527240, 192232120, 249901756, 312377195, 499803512, 624754390, 1249508780, 2499017560]

約数ペア:

[(1, 2499017560), (2, 1249508780), (4, 624754390), (5, 499803512), (8, 312377195), (10, 249901756), (13, 192232120), (19, 131527240), (20, 124950878), (26, 96116060), (38, 65763620), (40, 62475439), (52, 48058030), (65, 38446424), (76, 32881810), (95, 26305448), (104, 24029015), (130, 19223212), (152, 16440905), (190, 13152724), (247, 10117480), (260, 9611606), (380, 6576362), (494, 5058740), (520, 4805803), (760, 3288181), (988, 2529370), (1235, 2023496), (1976, 1264685), (2470, 1011748), (4940, 505874), (9880, 252937)]