212866160

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{204679}}^1$

素因数の和:204705

約数の個数: 40

約数和(自身を含む): 532986720

約数和(自身を除く): 320120560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 204679, 409358, 818716, 1023395, 1637432, 2046790, 2660827, 3274864, 4093580, 5321654, 8187160, 10643308, 13304135, 16374320, 21286616, 26608270, 42573232, 53216540, 106433080, 212866160]

約数ペア:

[(1, 212866160), (2, 106433080), (4, 53216540), (5, 42573232), (8, 26608270), (10, 21286616), (13, 16374320), (16, 13304135), (20, 10643308), (26, 8187160), (40, 5321654), (52, 4093580), (65, 3274864), (80, 2660827), (104, 2046790), (130, 1637432), (208, 1023395), (260, 818716), (520, 409358), (1040, 204679)]