13218520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2777}}^1$

素因数の和:2812

約数の個数: 64

約数和(自身を含む): 36002880

約数和(自身を除く): 22784360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 238, 280, 340, 476, 595, 680, 952, 1190, 2380, 2777, 4760, 5554, 11108, 13885, 19439, 22216, 27770, 38878, 47209, 55540, 77756, 94418, 97195, 111080, 155512, 188836, 194390, 236045, 330463, 377672, 388780, 472090, 660926, 777560, 944180, 1321852, 1652315, 1888360, 2643704, 3304630, 6609260, 13218520]

約数ペア:

[(1, 13218520), (2, 6609260), (4, 3304630), (5, 2643704), (7, 1888360), (8, 1652315), (10, 1321852), (14, 944180), (17, 777560), (20, 660926), (28, 472090), (34, 388780), (35, 377672), (40, 330463), (56, 236045), (68, 194390), (70, 188836), (85, 155512), (119, 111080), (136, 97195), (140, 94418), (170, 77756), (238, 55540), (280, 47209), (340, 38878), (476, 27770), (595, 22216), (680, 19439), (952, 13885), (1190, 11108), (2380, 5554), (2777, 4760)]