80074840

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1\times {\mathrm{223}}^1$

素因数の和:472

約数の個数: 64

約数和(自身を含む): 185794560

約数和(自身を除く): 105719720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 191, 223, 235, 376, 382, 446, 470, 764, 892, 940, 955, 1115, 1528, 1784, 1880, 1910, 2230, 3820, 4460, 7640, 8920, 8977, 10481, 17954, 20962, 35908, 41924, 42593, 44885, 52405, 71816, 83848, 85186, 89770, 104810, 170372, 179540, 209620, 212965, 340744, 359080, 419240, 425930, 851860, 1703720, 2001871, 4003742, 8007484, 10009355, 16014968, 20018710, 40037420, 80074840]

約数ペア:

[(1, 80074840), (2, 40037420), (4, 20018710), (5, 16014968), (8, 10009355), (10, 8007484), (20, 4003742), (40, 2001871), (47, 1703720), (94, 851860), (188, 425930), (191, 419240), (223, 359080), (235, 340744), (376, 212965), (382, 209620), (446, 179540), (470, 170372), (764, 104810), (892, 89770), (940, 85186), (955, 83848), (1115, 71816), (1528, 52405), (1784, 44885), (1880, 42593), (1910, 41924), (2230, 35908), (3820, 20962), (4460, 17954), (7640, 10481), (8920, 8977)]