13072020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16759}}^1$

素因数の和:16784

約数の個数: 48

約数和(自身を含む): 39419520

約数和(自身を除く): 26347500

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, 16759, 33518, 50277, 67036, 83795, 100554, 167590, 201108, 217867, 251385, 335180, 435734, 502770, 653601, 871468, 1005540, 1089335, 1307202, 2178670, 2614404, 3268005, 4357340, 6536010, 13072020]

約数ペア:

[(1, 13072020), (2, 6536010), (3, 4357340), (4, 3268005), (5, 2614404), (6, 2178670), (10, 1307202), (12, 1089335), (13, 1005540), (15, 871468), (20, 653601), (26, 502770), (30, 435734), (39, 335180), (52, 251385), (60, 217867), (65, 201108), (78, 167590), (130, 100554), (156, 83795), (195, 67036), (260, 50277), (390, 33518), (780, 16759)]