201183320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{386891}}^1$

素因数の和:386915

約数の個数: 32

約数和(自身を含む): 487483920

約数和(自身を除く): 286300600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 386891, 773782, 1547564, 1934455, 3095128, 3868910, 5029583, 7737820, 10059166, 15475640, 20118332, 25147915, 40236664, 50295830, 100591660, 201183320]

約数ペア:

[(1, 201183320), (2, 100591660), (4, 50295830), (5, 40236664), (8, 25147915), (10, 20118332), (13, 15475640), (20, 10059166), (26, 7737820), (40, 5029583), (52, 3868910), (65, 3095128), (104, 1934455), (130, 1547564), (260, 773782), (520, 386891)]