83841680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4243}}^1$

素因数の和:4288

約数の個数: 80

約数和(自身を含む): 221027520

約数和(自身を除く): 137185840

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 190, 208, 247, 260, 304, 380, 494, 520, 760, 988, 1040, 1235, 1520, 1976, 2470, 3952, 4243, 4940, 8486, 9880, 16972, 19760, 21215, 33944, 42430, 55159, 67888, 80617, 84860, 110318, 161234, 169720, 220636, 275795, 322468, 339440, 403085, 441272, 551590, 644936, 806170, 882544, 1048021, 1103180, 1289872, 1612340, 2096042, 2206360, 3224680, 4192084, 4412720, 5240105, 6449360, 8384168, 10480210, 16768336, 20960420, 41920840, 83841680]

約数ペア:

[(1, 83841680), (2, 41920840), (4, 20960420), (5, 16768336), (8, 10480210), (10, 8384168), (13, 6449360), (16, 5240105), (19, 4412720), (20, 4192084), (26, 3224680), (38, 2206360), (40, 2096042), (52, 1612340), (65, 1289872), (76, 1103180), (80, 1048021), (95, 882544), (104, 806170), (130, 644936), (152, 551590), (190, 441272), (208, 403085), (247, 339440), (260, 322468), (304, 275795), (380, 220636), (494, 169720), (520, 161234), (760, 110318), (988, 84860), (1040, 80617), (1235, 67888), (1520, 55159), (1976, 42430), (2470, 33944), (3952, 21215), (4243, 19760), (4940, 16972), (8486, 9880)]