64172240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{72923}}^1$

素因数の和:72947

約数の個数: 40

約数和(自身を含む): 162766368

約数和(自身を除く): 98594128

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 72923, 145846, 291692, 364615, 583384, 729230, 802153, 1166768, 1458460, 1604306, 2916920, 3208612, 4010765, 5833840, 6417224, 8021530, 12834448, 16043060, 32086120, 64172240]

約数ペア:

[(1, 64172240), (2, 32086120), (4, 16043060), (5, 12834448), (8, 8021530), (10, 6417224), (11, 5833840), (16, 4010765), (20, 3208612), (22, 2916920), (40, 1604306), (44, 1458460), (55, 1166768), (80, 802153), (88, 729230), (110, 583384), (176, 364615), (220, 291692), (440, 145846), (880, 72923)]