11455960

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{991}}^1$

素因数の和:1036

約数の個数: 48

約数和(自身を含む): 27408960

約数和(自身を除く): 15953000

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 289, 340, 578, 680, 991, 1156, 1445, 1982, 2312, 2890, 3964, 4955, 5780, 7928, 9910, 11560, 16847, 19820, 33694, 39640, 67388, 84235, 134776, 168470, 286399, 336940, 572798, 673880, 1145596, 1431995, 2291192, 2863990, 5727980, 11455960]

約数ペア:

[(1, 11455960), (2, 5727980), (4, 2863990), (5, 2291192), (8, 1431995), (10, 1145596), (17, 673880), (20, 572798), (34, 336940), (40, 286399), (68, 168470), (85, 134776), (136, 84235), (170, 67388), (289, 39640), (340, 33694), (578, 19820), (680, 16847), (991, 11560), (1156, 9910), (1445, 7928), (1982, 5780), (2312, 4955), (2890, 3964)]