402788360

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{774593}}^1$

素因数の和:774617

約数の個数: 32

約数和(自身を含む): 975988440

約数和(自身を除く): 573200080

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 774593, 1549186, 3098372, 3872965, 6196744, 7745930, 10069709, 15491860, 20139418, 30983720, 40278836, 50348545, 80557672, 100697090, 201394180, 402788360]

約数ペア:

[(1, 402788360), (2, 201394180), (4, 100697090), (5, 80557672), (8, 50348545), (10, 40278836), (13, 30983720), (20, 20139418), (26, 15491860), (40, 10069709), (52, 7745930), (65, 6196744), (104, 3872965), (130, 3098372), (260, 1549186), (520, 774593)]