13189880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{967}}^1$

素因数の和:1020

約数の個数: 64

約数和(自身を含む): 33454080

約数和(自身を除く): 20264200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 124, 155, 220, 248, 310, 341, 440, 620, 682, 967, 1240, 1364, 1705, 1934, 2728, 3410, 3868, 4835, 6820, 7736, 9670, 10637, 13640, 19340, 21274, 29977, 38680, 42548, 53185, 59954, 85096, 106370, 119908, 149885, 212740, 239816, 299770, 329747, 425480, 599540, 659494, 1199080, 1318988, 1648735, 2637976, 3297470, 6594940, 13189880]

約数ペア:

[(1, 13189880), (2, 6594940), (4, 3297470), (5, 2637976), (8, 1648735), (10, 1318988), (11, 1199080), (20, 659494), (22, 599540), (31, 425480), (40, 329747), (44, 299770), (55, 239816), (62, 212740), (88, 149885), (110, 119908), (124, 106370), (155, 85096), (220, 59954), (248, 53185), (310, 42548), (341, 38680), (440, 29977), (620, 21274), (682, 19340), (967, 13640), (1240, 10637), (1364, 9670), (1705, 7736), (1934, 6820), (2728, 4835), (3410, 3868)]