16509080

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{8423}}^1$

素因数の和:8448

約数の個数: 48

約数和(自身を含む): 43215120

約数和(自身を除く): 26706040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 8423, 16846, 33692, 42115, 58961, 67384, 84230, 117922, 168460, 235844, 294805, 336920, 412727, 471688, 589610, 825454, 1179220, 1650908, 2063635, 2358440, 3301816, 4127270, 8254540, 16509080]

約数ペア:

[(1, 16509080), (2, 8254540), (4, 4127270), (5, 3301816), (7, 2358440), (8, 2063635), (10, 1650908), (14, 1179220), (20, 825454), (28, 589610), (35, 471688), (40, 412727), (49, 336920), (56, 294805), (70, 235844), (98, 168460), (140, 117922), (196, 84230), (245, 67384), (280, 58961), (392, 42115), (490, 33692), (980, 16846), (1960, 8423)]