20161827080

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{12293797}}^1$

素因数の和:12293849

約数の個数: 32

約数和(自身を含む): 46470556440

約数和(自身を除く): 26308729360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 12293797, 24587594, 49175188, 61468985, 98350376, 122937970, 245875940, 491751880, 504045677, 1008091354, 2016182708, 2520228385, 4032365416, 5040456770, 10080913540, 20161827080]

約数ペア:

[(1, 20161827080), (2, 10080913540), (4, 5040456770), (5, 4032365416), (8, 2520228385), (10, 2016182708), (20, 1008091354), (40, 504045677), (41, 491751880), (82, 245875940), (164, 122937970), (205, 98350376), (328, 61468985), (410, 49175188), (820, 24587594), (1640, 12293797)]