8842340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{479}}^1$

素因数の和:572

約数の個数: 48

約数和(自身を含む): 20321280

約数和(自身を除く): 11478940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 260, 284, 355, 479, 710, 923, 958, 1420, 1846, 1916, 2395, 3692, 4615, 4790, 6227, 9230, 9580, 12454, 18460, 24908, 31135, 34009, 62270, 68018, 124540, 136036, 170045, 340090, 442117, 680180, 884234, 1768468, 2210585, 4421170, 8842340]

約数ペア:

[(1, 8842340), (2, 4421170), (4, 2210585), (5, 1768468), (10, 884234), (13, 680180), (20, 442117), (26, 340090), (52, 170045), (65, 136036), (71, 124540), (130, 68018), (142, 62270), (260, 34009), (284, 31135), (355, 24908), (479, 18460), (710, 12454), (923, 9580), (958, 9230), (1420, 6227), (1846, 4790), (1916, 4615), (2395, 3692)]