112805680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1373}}^1$

素因数の和:1478

約数の個数: 80

約数和(自身を含む): 286231680

約数和(自身を除く): 173426000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 79, 80, 104, 130, 158, 208, 260, 316, 395, 520, 632, 790, 1027, 1040, 1264, 1373, 1580, 2054, 2746, 3160, 4108, 5135, 5492, 6320, 6865, 8216, 10270, 10984, 13730, 16432, 17849, 20540, 21968, 27460, 35698, 41080, 54920, 71396, 82160, 89245, 108467, 109840, 142792, 178490, 216934, 285584, 356980, 433868, 542335, 713960, 867736, 1084670, 1410071, 1427920, 1735472, 2169340, 2820142, 4338680, 5640284, 7050355, 8677360, 11280568, 14100710, 22561136, 28201420, 56402840, 112805680]

約数ペア:

[(1, 112805680), (2, 56402840), (4, 28201420), (5, 22561136), (8, 14100710), (10, 11280568), (13, 8677360), (16, 7050355), (20, 5640284), (26, 4338680), (40, 2820142), (52, 2169340), (65, 1735472), (79, 1427920), (80, 1410071), (104, 1084670), (130, 867736), (158, 713960), (208, 542335), (260, 433868), (316, 356980), (395, 285584), (520, 216934), (632, 178490), (790, 142792), (1027, 109840), (1040, 108467), (1264, 89245), (1373, 82160), (1580, 71396), (2054, 54920), (2746, 41080), (3160, 35698), (4108, 27460), (5135, 21968), (5492, 20540), (6320, 17849), (6865, 16432), (8216, 13730), (10270, 10984)]