64207780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{35279}}^1$

素因数の和:35308

約数の個数: 48

約数和(自身を含む): 165957120

約数和(自身を除く): 101749340

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 35279, 70558, 141116, 176395, 246953, 352790, 458627, 493906, 705580, 917254, 987812, 1234765, 1834508, 2293135, 2469530, 3210389, 4586270, 4939060, 6420778, 9172540, 12841556, 16051945, 32103890, 64207780]

約数ペア:

[(1, 64207780), (2, 32103890), (4, 16051945), (5, 12841556), (7, 9172540), (10, 6420778), (13, 4939060), (14, 4586270), (20, 3210389), (26, 2469530), (28, 2293135), (35, 1834508), (52, 1234765), (65, 987812), (70, 917254), (91, 705580), (130, 493906), (140, 458627), (182, 352790), (260, 246953), (364, 176395), (455, 141116), (910, 70558), (1820, 35279)]