12895180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{97}}^1$

素因数の和:163

約数の個数: 72

約数和(自身を含む): 30326688

約数和(自身を除く): 17431508

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 68, 85, 92, 97, 115, 170, 194, 230, 289, 340, 388, 391, 460, 485, 578, 782, 970, 1156, 1445, 1564, 1649, 1940, 1955, 2231, 2890, 3298, 3910, 4462, 5780, 6596, 6647, 7820, 8245, 8924, 11155, 13294, 16490, 22310, 26588, 28033, 32980, 33235, 37927, 44620, 56066, 66470, 75854, 112132, 132940, 140165, 151708, 189635, 280330, 379270, 560660, 644759, 758540, 1289518, 2579036, 3223795, 6447590, 12895180]

約数ペア:

[(1, 12895180), (2, 6447590), (4, 3223795), (5, 2579036), (10, 1289518), (17, 758540), (20, 644759), (23, 560660), (34, 379270), (46, 280330), (68, 189635), (85, 151708), (92, 140165), (97, 132940), (115, 112132), (170, 75854), (194, 66470), (230, 56066), (289, 44620), (340, 37927), (388, 33235), (391, 32980), (460, 28033), (485, 26588), (578, 22310), (782, 16490), (970, 13294), (1156, 11155), (1445, 8924), (1564, 8245), (1649, 7820), (1940, 6647), (1955, 6596), (2231, 5780), (2890, 4462), (3298, 3910)]