81226480

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{17209}}^1$

素因数の和:17281

約数の個数: 40

約数和(自身を含む): 192063600

約数和(自身を除く): 110837120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 80, 118, 236, 295, 472, 590, 944, 1180, 2360, 4720, 17209, 34418, 68836, 86045, 137672, 172090, 275344, 344180, 688360, 1015331, 1376720, 2030662, 4061324, 5076655, 8122648, 10153310, 16245296, 20306620, 40613240, 81226480]

約数ペア:

[(1, 81226480), (2, 40613240), (4, 20306620), (5, 16245296), (8, 10153310), (10, 8122648), (16, 5076655), (20, 4061324), (40, 2030662), (59, 1376720), (80, 1015331), (118, 688360), (236, 344180), (295, 275344), (472, 172090), (590, 137672), (944, 86045), (1180, 68836), (2360, 34418), (4720, 17209)]