80839216

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{439}}^1\times {\mathrm{677}}^1$

素因数の和:1141

約数の個数: 40

約数和(自身を含む): 166462560

約数和(自身を除く): 85623344

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 439, 677, 878, 1354, 1756, 2708, 3512, 5416, 7024, 7463, 10832, 11509, 14926, 23018, 29852, 46036, 59704, 92072, 119408, 184144, 297203, 594406, 1188812, 2377624, 4755248, 5052451, 10104902, 20209804, 40419608, 80839216]

約数ペア:

[(1, 80839216), (2, 40419608), (4, 20209804), (8, 10104902), (16, 5052451), (17, 4755248), (34, 2377624), (68, 1188812), (136, 594406), (272, 297203), (439, 184144), (677, 119408), (878, 92072), (1354, 59704), (1756, 46036), (2708, 29852), (3512, 23018), (5416, 14926), (7024, 11509), (7463, 10832)]