40243970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23813}}^1$

素因数の和:23846

約数の個数: 24

約数和(自身を含む): 78443316

約数和(自身を除く): 38199346

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 23813, 47626, 119065, 238130, 309569, 619138, 1547845, 3095690, 4024397, 8048794, 20121985, 40243970]

約数ペア:

[(1, 40243970), (2, 20121985), (5, 8048794), (10, 4024397), (13, 3095690), (26, 1547845), (65, 619138), (130, 309569), (169, 238130), (338, 119065), (845, 47626), (1690, 23813)]