205595260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^3\times {\mathrm{4679}}^1$

素因数の和:4727

約数の個数: 48

約数和(自身を含む): 467812800

約数和(自身を除く): 262217540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 2197, 3380, 4394, 4679, 8788, 9358, 10985, 18716, 21970, 23395, 43940, 46790, 60827, 93580, 121654, 243308, 304135, 608270, 790751, 1216540, 1581502, 3163004, 3953755, 7907510, 10279763, 15815020, 20559526, 41119052, 51398815, 102797630, 205595260]

約数ペア:

[(1, 205595260), (2, 102797630), (4, 51398815), (5, 41119052), (10, 20559526), (13, 15815020), (20, 10279763), (26, 7907510), (52, 3953755), (65, 3163004), (130, 1581502), (169, 1216540), (260, 790751), (338, 608270), (676, 304135), (845, 243308), (1690, 121654), (2197, 93580), (3380, 60827), (4394, 46790), (4679, 43940), (8788, 23395), (9358, 21970), (10985, 18716)]