80875860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103687}}^1$

素因数の和:103712

約数の個数: 48

約数和(自身を含む): 243874176

約数和(自身を除く): 162998316

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, 103687, 207374, 311061, 414748, 518435, 622122, 1036870, 1244244, 1347931, 1555305, 2073740, 2695862, 3110610, 4043793, 5391724, 6221220, 6739655, 8087586, 13479310, 16175172, 20218965, 26958620, 40437930, 80875860]

約数ペア:

[(1, 80875860), (2, 40437930), (3, 26958620), (4, 20218965), (5, 16175172), (6, 13479310), (10, 8087586), (12, 6739655), (13, 6221220), (15, 5391724), (20, 4043793), (26, 3110610), (30, 2695862), (39, 2073740), (52, 1555305), (60, 1347931), (65, 1244244), (78, 1036870), (130, 622122), (156, 518435), (195, 414748), (260, 311061), (390, 207374), (780, 103687)]