42516890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{1303}}^1$

素因数の和:1574

約数の個数: 32

約数和(自身を含む): 82809216

約数和(自身を除く): 40292326

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 251, 502, 1255, 1303, 2510, 2606, 3263, 6515, 6526, 13030, 16315, 16939, 32630, 33878, 84695, 169390, 327053, 654106, 1635265, 3270530, 4251689, 8503378, 21258445, 42516890]

約数ペア:

[(1, 42516890), (2, 21258445), (5, 8503378), (10, 4251689), (13, 3270530), (26, 1635265), (65, 654106), (130, 327053), (251, 169390), (502, 84695), (1255, 33878), (1303, 32630), (2510, 16939), (2606, 16315), (3263, 13030), (6515, 6526)]