16388580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21011}}^1$

素因数の和:21036

約数の個数: 48

約数和(自身を含む): 49420224

約数和(自身を除く): 33031644

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 21011, 42022, 63033, 84044, 105055, 126066, 210110, 252132, 273143, 315165, 420220, 546286, 630330, 819429, 1092572, 1260660, 1365715, 1638858, 2731430, 3277716, 4097145, 5462860, 8194290, 16388580]

約数ペア:

[(1, 16388580), (2, 8194290), (3, 5462860), (4, 4097145), (5, 3277716), (6, 2731430), (10, 1638858), (12, 1365715), (13, 1260660), (15, 1092572), (20, 819429), (26, 630330), (30, 546286), (39, 420220), (52, 315165), (60, 273143), (65, 252132), (78, 210110), (130, 126066), (156, 105055), (195, 84044), (260, 63033), (390, 42022), (780, 21011)]