40020550

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{239}}^1$

素因数の和:465

約数の個数: 48

約数和(自身を含む): 79548480

約数和(自身を除く): 39527930

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 170, 197, 239, 394, 425, 478, 850, 985, 1195, 1970, 2390, 3349, 4063, 4925, 5975, 6698, 8126, 9850, 11950, 16745, 20315, 33490, 40630, 47083, 83725, 94166, 101575, 167450, 203150, 235415, 470830, 800411, 1177075, 1600822, 2354150, 4002055, 8004110, 20010275, 40020550]

約数ペア:

[(1, 40020550), (2, 20010275), (5, 8004110), (10, 4002055), (17, 2354150), (25, 1600822), (34, 1177075), (50, 800411), (85, 470830), (170, 235415), (197, 203150), (239, 167450), (394, 101575), (425, 94166), (478, 83725), (850, 47083), (985, 40630), (1195, 33490), (1970, 20315), (2390, 16745), (3349, 11950), (4063, 9850), (4925, 8126), (5975, 6698)]