54419720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{419}}^1$

素因数の和:638

約数の個数: 64

約数和(自身を含む): 130636800

約数和(自身を除く): 76217080

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 191, 340, 382, 419, 680, 764, 838, 955, 1528, 1676, 1910, 2095, 3247, 3352, 3820, 4190, 6494, 7123, 7640, 8380, 12988, 14246, 16235, 16760, 25976, 28492, 32470, 35615, 56984, 64940, 71230, 80029, 129880, 142460, 160058, 284920, 320116, 400145, 640232, 800290, 1360493, 1600580, 2720986, 3201160, 5441972, 6802465, 10883944, 13604930, 27209860, 54419720]

約数ペア:

[(1, 54419720), (2, 27209860), (4, 13604930), (5, 10883944), (8, 6802465), (10, 5441972), (17, 3201160), (20, 2720986), (34, 1600580), (40, 1360493), (68, 800290), (85, 640232), (136, 400145), (170, 320116), (191, 284920), (340, 160058), (382, 142460), (419, 129880), (680, 80029), (764, 71230), (838, 64940), (955, 56984), (1528, 35615), (1676, 32470), (1910, 28492), (2095, 25976), (3247, 16760), (3352, 16235), (3820, 14246), (4190, 12988), (6494, 8380), (7123, 7640)]