71320280

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61483}}^1$

素因数の和:61523

約数の個数: 32

約数和(自身を含む): 166006800

約数和(自身を除く): 94686520

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 61483, 122966, 245932, 307415, 491864, 614830, 1229660, 1783007, 2459320, 3566014, 7132028, 8915035, 14264056, 17830070, 35660140, 71320280]

約数ペア:

[(1, 71320280), (2, 35660140), (4, 17830070), (5, 14264056), (8, 8915035), (10, 7132028), (20, 3566014), (29, 2459320), (40, 1783007), (58, 1229660), (116, 614830), (145, 491864), (232, 307415), (290, 245932), (580, 122966), (1160, 61483)]