108020720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79427}}^1$

素因数の和:79457

約数の個数: 40

約数和(自身を含む): 265924944

約数和(自身を除く): 157904224

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 79427, 158854, 317708, 397135, 635416, 794270, 1270832, 1350259, 1588540, 2700518, 3177080, 5401036, 6354160, 6751295, 10802072, 13502590, 21604144, 27005180, 54010360, 108020720]

約数ペア:

[(1, 108020720), (2, 54010360), (4, 27005180), (5, 21604144), (8, 13502590), (10, 10802072), (16, 6751295), (17, 6354160), (20, 5401036), (34, 3177080), (40, 2700518), (68, 1588540), (80, 1350259), (85, 1270832), (136, 794270), (170, 635416), (272, 397135), (340, 317708), (680, 158854), (1360, 79427)]