80380340

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{233}}^1\times {\mathrm{367}}^1$

素因数の和:656

約数の個数: 48

約数和(自身を含む): 173601792

約数和(自身を除く): 93221452

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 233, 235, 367, 466, 470, 734, 932, 940, 1165, 1468, 1835, 2330, 3670, 4660, 7340, 10951, 17249, 21902, 34498, 43804, 54755, 68996, 85511, 86245, 109510, 171022, 172490, 219020, 342044, 344980, 427555, 855110, 1710220, 4019017, 8038034, 16076068, 20095085, 40190170, 80380340]

約数ペア:

[(1, 80380340), (2, 40190170), (4, 20095085), (5, 16076068), (10, 8038034), (20, 4019017), (47, 1710220), (94, 855110), (188, 427555), (233, 344980), (235, 342044), (367, 219020), (466, 172490), (470, 171022), (734, 109510), (932, 86245), (940, 85511), (1165, 68996), (1468, 54755), (1835, 43804), (2330, 34498), (3670, 21902), (4660, 17249), (7340, 10951)]