66780080

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{49103}}^1$

素因数の和:49133

約数の個数: 40

約数和(自身を含む): 164400192

約数和(自身を除く): 97620112

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 49103, 98206, 196412, 245515, 392824, 491030, 785648, 834751, 982060, 1669502, 1964120, 3339004, 3928240, 4173755, 6678008, 8347510, 13356016, 16695020, 33390040, 66780080]

約数ペア:

[(1, 66780080), (2, 33390040), (4, 16695020), (5, 13356016), (8, 8347510), (10, 6678008), (16, 4173755), (17, 3928240), (20, 3339004), (34, 1964120), (40, 1669502), (68, 982060), (80, 834751), (85, 785648), (136, 491030), (170, 392824), (272, 245515), (340, 196412), (680, 98206), (1360, 49103)]