78100720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{57427}}^1$

素因数の和:57457

約数の個数: 40

約数和(自身を含む): 192268944

約数和(自身を除く): 114168224

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 57427, 114854, 229708, 287135, 459416, 574270, 918832, 976259, 1148540, 1952518, 2297080, 3905036, 4594160, 4881295, 7810072, 9762590, 15620144, 19525180, 39050360, 78100720]

約数ペア:

[(1, 78100720), (2, 39050360), (4, 19525180), (5, 15620144), (8, 9762590), (10, 7810072), (16, 4881295), (17, 4594160), (20, 3905036), (34, 2297080), (40, 1952518), (68, 1148540), (80, 976259), (85, 918832), (136, 574270), (170, 459416), (272, 287135), (340, 229708), (680, 114854), (1360, 57427)]