159299080

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{128467}}^1$

素因数の和:128509

約数の個数: 32

約数和(自身を含む): 369987840

約数和(自身を除く): 210688760

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 128467, 256934, 513868, 642335, 1027736, 1284670, 2569340, 3982477, 5138680, 7964954, 15929908, 19912385, 31859816, 39824770, 79649540, 159299080]

約数ペア:

[(1, 159299080), (2, 79649540), (4, 39824770), (5, 31859816), (8, 19912385), (10, 15929908), (20, 7964954), (31, 5138680), (40, 3982477), (62, 2569340), (124, 1284670), (155, 1027736), (248, 642335), (310, 513868), (620, 256934), (1240, 128467)]