30911920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29723}}^1$

素因数の和:29749

約数の個数: 40

約数和(自身を含む): 77401296

約数和(自身を除く): 46489376

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 29723, 59446, 118892, 148615, 237784, 297230, 386399, 475568, 594460, 772798, 1188920, 1545596, 1931995, 2377840, 3091192, 3863990, 6182384, 7727980, 15455960, 30911920]

約数ペア:

[(1, 30911920), (2, 15455960), (4, 7727980), (5, 6182384), (8, 3863990), (10, 3091192), (13, 2377840), (16, 1931995), (20, 1545596), (26, 1188920), (40, 772798), (52, 594460), (65, 475568), (80, 386399), (104, 297230), (130, 237784), (208, 148615), (260, 118892), (520, 59446), (1040, 29723)]