3980240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4523}}^1$

素因数の和:4547

約数の個数: 40

約数和(自身を含む): 10097568

約数和(自身を除く): 6117328

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 4523, 9046, 18092, 22615, 36184, 45230, 49753, 72368, 90460, 99506, 180920, 199012, 248765, 361840, 398024, 497530, 796048, 995060, 1990120, 3980240]

約数ペア:

[(1, 3980240), (2, 1990120), (4, 995060), (5, 796048), (8, 497530), (10, 398024), (11, 361840), (16, 248765), (20, 199012), (22, 180920), (40, 99506), (44, 90460), (55, 72368), (80, 49753), (88, 45230), (110, 36184), (176, 22615), (220, 18092), (440, 9046), (880, 4523)]