81803320

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{120299}}^1$

素因数の和:120327

約数の個数: 32

約数和(自身を含む): 194886000

約数和(自身を除く): 113082680

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 120299, 240598, 481196, 601495, 962392, 1202990, 2045083, 2405980, 4090166, 4811960, 8180332, 10225415, 16360664, 20450830, 40901660, 81803320]

約数ペア:

[(1, 81803320), (2, 40901660), (4, 20450830), (5, 16360664), (8, 10225415), (10, 8180332), (17, 4811960), (20, 4090166), (34, 2405980), (40, 2045083), (68, 1202990), (85, 962392), (136, 601495), (170, 481196), (340, 240598), (680, 120299)]