206876020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{25667}}^1$

素因数の和:25720

約数の個数: 48

約数和(自身を含む): 482969088

約数和(自身を除く): 276093068

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 25667, 51334, 102668, 128335, 256670, 333671, 513340, 667342, 795677, 1334684, 1591354, 1668355, 3182708, 3336710, 3978385, 6673420, 7956770, 10343801, 15913540, 20687602, 41375204, 51719005, 103438010, 206876020]

約数ペア:

[(1, 206876020), (2, 103438010), (4, 51719005), (5, 41375204), (10, 20687602), (13, 15913540), (20, 10343801), (26, 7956770), (31, 6673420), (52, 3978385), (62, 3336710), (65, 3182708), (124, 1668355), (130, 1591354), (155, 1334684), (260, 795677), (310, 667342), (403, 513340), (620, 333671), (806, 256670), (1612, 128335), (2015, 102668), (4030, 51334), (8060, 25667)]