78239120

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{11783}}^1$

素因数の和:11879

約数の個数: 40

約数和(自身を含む): 184113216

約数和(自身を除く): 105874096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 332, 415, 664, 830, 1328, 1660, 3320, 6640, 11783, 23566, 47132, 58915, 94264, 117830, 188528, 235660, 471320, 942640, 977989, 1955978, 3911956, 4889945, 7823912, 9779890, 15647824, 19559780, 39119560, 78239120]

約数ペア:

[(1, 78239120), (2, 39119560), (4, 19559780), (5, 15647824), (8, 9779890), (10, 7823912), (16, 4889945), (20, 3911956), (40, 1955978), (80, 977989), (83, 942640), (166, 471320), (332, 235660), (415, 188528), (664, 117830), (830, 94264), (1328, 58915), (1660, 47132), (3320, 23566), (6640, 11783)]