22719320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43691}}^1$

素因数の和:43715

約数の個数: 32

約数和(自身を含む): 55051920

約数和(自身を除く): 32332600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 43691, 87382, 174764, 218455, 349528, 436910, 567983, 873820, 1135966, 1747640, 2271932, 2839915, 4543864, 5679830, 11359660, 22719320]

約数ペア:

[(1, 22719320), (2, 11359660), (4, 5679830), (5, 4543864), (8, 2839915), (10, 2271932), (13, 1747640), (20, 1135966), (26, 873820), (40, 567983), (52, 436910), (65, 349528), (104, 218455), (130, 174764), (260, 87382), (520, 43691)]