13020980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{5471}}^1$

素因数の和:5504

約数の個数: 48

約数和(自身を含む): 33094656

約数和(自身を除く): 20073676

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 5471, 10942, 21884, 27355, 38297, 54710, 76594, 93007, 109420, 153188, 186014, 191485, 372028, 382970, 465035, 651049, 765940, 930070, 1302098, 1860140, 2604196, 3255245, 6510490, 13020980]

約数ペア:

[(1, 13020980), (2, 6510490), (4, 3255245), (5, 2604196), (7, 1860140), (10, 1302098), (14, 930070), (17, 765940), (20, 651049), (28, 465035), (34, 382970), (35, 372028), (68, 191485), (70, 186014), (85, 153188), (119, 109420), (140, 93007), (170, 76594), (238, 54710), (340, 38297), (476, 27355), (595, 21884), (1190, 10942), (2380, 5471)]