841745840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{6373}}^1$

素因数の和:6526

約数の個数: 80

約数和(自身を含む): 2124530688

約数和(自身を除く): 1282784848

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 127, 130, 208, 254, 260, 508, 520, 635, 1016, 1040, 1270, 1651, 2032, 2540, 3302, 5080, 6373, 6604, 8255, 10160, 12746, 13208, 16510, 25492, 26416, 31865, 33020, 50984, 63730, 66040, 82849, 101968, 127460, 132080, 165698, 254920, 331396, 414245, 509840, 662792, 809371, 828490, 1325584, 1618742, 1656980, 3237484, 3313960, 4046855, 6474968, 6627920, 8093710, 10521823, 12949936, 16187420, 21043646, 32374840, 42087292, 52609115, 64749680, 84174584, 105218230, 168349168, 210436460, 420872920, 841745840]

約数ペア:

[(1, 841745840), (2, 420872920), (4, 210436460), (5, 168349168), (8, 105218230), (10, 84174584), (13, 64749680), (16, 52609115), (20, 42087292), (26, 32374840), (40, 21043646), (52, 16187420), (65, 12949936), (80, 10521823), (104, 8093710), (127, 6627920), (130, 6474968), (208, 4046855), (254, 3313960), (260, 3237484), (508, 1656980), (520, 1618742), (635, 1325584), (1016, 828490), (1040, 809371), (1270, 662792), (1651, 509840), (2032, 414245), (2540, 331396), (3302, 254920), (5080, 165698), (6373, 132080), (6604, 127460), (8255, 101968), (10160, 82849), (12746, 66040), (13208, 63730), (16510, 50984), (25492, 33020), (26416, 31865)]