81092720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59627}}^1$

素因数の和:59657

約数の個数: 40

約数和(自身を含む): 199634544

約数和(自身を除く): 118541824

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 59627, 119254, 238508, 298135, 477016, 596270, 954032, 1013659, 1192540, 2027318, 2385080, 4054636, 4770160, 5068295, 8109272, 10136590, 16218544, 20273180, 40546360, 81092720]

約数ペア:

[(1, 81092720), (2, 40546360), (4, 20273180), (5, 16218544), (8, 10136590), (10, 8109272), (16, 5068295), (17, 4770160), (20, 4054636), (34, 2385080), (40, 2027318), (68, 1192540), (80, 1013659), (85, 954032), (136, 596270), (170, 477016), (272, 298135), (340, 238508), (680, 119254), (1360, 59627)]