63553340

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1\times {\mathrm{191}}^1$

素因数の和:458

約数の個数: 48

約数和(自身を含む): 136249344

約数和(自身を除く): 72696004

約数列:

[1, 2, 4, 5, 10, 20, 127, 131, 191, 254, 262, 382, 508, 524, 635, 655, 764, 955, 1270, 1310, 1910, 2540, 2620, 3820, 16637, 24257, 25021, 33274, 48514, 50042, 66548, 83185, 97028, 100084, 121285, 125105, 166370, 242570, 250210, 332740, 485140, 500420, 3177667, 6355334, 12710668, 15888335, 31776670, 63553340]

約数ペア:

[(1, 63553340), (2, 31776670), (4, 15888335), (5, 12710668), (10, 6355334), (20, 3177667), (127, 500420), (131, 485140), (191, 332740), (254, 250210), (262, 242570), (382, 166370), (508, 125105), (524, 121285), (635, 100084), (655, 97028), (764, 83185), (955, 66548), (1270, 50042), (1310, 48514), (1910, 33274), (2540, 25021), (2620, 24257), (3820, 16637)]