2019948580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{109423}}^1$

素因数の和:109516

約数の個数: 48

約数和(自身を含む): 4632574464

約数和(自身を除く): 2612625884

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 260, 284, 355, 710, 923, 1420, 1846, 3692, 4615, 9230, 18460, 109423, 218846, 437692, 547115, 1094230, 1422499, 2188460, 2844998, 5689996, 7112495, 7769033, 14224990, 15538066, 28449980, 31076132, 38845165, 77690330, 100997429, 155380660, 201994858, 403989716, 504987145, 1009974290, 2019948580]

約数ペア:

[(1, 2019948580), (2, 1009974290), (4, 504987145), (5, 403989716), (10, 201994858), (13, 155380660), (20, 100997429), (26, 77690330), (52, 38845165), (65, 31076132), (71, 28449980), (130, 15538066), (142, 14224990), (260, 7769033), (284, 7112495), (355, 5689996), (710, 2844998), (923, 2188460), (1420, 1422499), (1846, 1094230), (3692, 547115), (4615, 437692), (9230, 218846), (18460, 109423)]