72742840

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{38693}}^1$

素因数の和:38751

約数の個数: 32

約数和(自身を含む): 167158080

約数和(自身を除く): 94415240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 38693, 77386, 154772, 193465, 309544, 386930, 773860, 1547720, 1818571, 3637142, 7274284, 9092855, 14548568, 18185710, 36371420, 72742840]

約数ペア:

[(1, 72742840), (2, 36371420), (4, 18185710), (5, 14548568), (8, 9092855), (10, 7274284), (20, 3637142), (40, 1818571), (47, 1547720), (94, 773860), (188, 386930), (235, 309544), (376, 193465), (470, 154772), (940, 77386), (1880, 38693)]