142823980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{549323}}^1$

素因数の和:549345

約数の個数: 24

約数和(自身を含む): 323002512

約数和(自身を除く): 180178532

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 549323, 1098646, 2197292, 2746615, 5493230, 7141199, 10986460, 14282398, 28564796, 35705995, 71411990, 142823980]

約数ペア:

[(1, 142823980), (2, 71411990), (4, 35705995), (5, 28564796), (10, 14282398), (13, 10986460), (20, 7141199), (26, 5493230), (52, 2746615), (65, 2197292), (130, 1098646), (260, 549323)]