981946160

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{944179}}^1$

素因数の和:944205

約数の個数: 40

約数和(自身を含む): 2458644720

約数和(自身を除く): 1476698560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 944179, 1888358, 3776716, 4720895, 7553432, 9441790, 12274327, 15106864, 18883580, 24548654, 37767160, 49097308, 61371635, 75534320, 98194616, 122743270, 196389232, 245486540, 490973080, 981946160]

約数ペア:

[(1, 981946160), (2, 490973080), (4, 245486540), (5, 196389232), (8, 122743270), (10, 98194616), (13, 75534320), (16, 61371635), (20, 49097308), (26, 37767160), (40, 24548654), (52, 18883580), (65, 15106864), (80, 12274327), (104, 9441790), (130, 7553432), (208, 4720895), (260, 3776716), (520, 1888358), (1040, 944179)]