80375360

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^2$

素因数の和:308

約数の個数: 84

約数和(自身を含む): 207609948

約数和(自身を除く): 127234588

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 139, 160, 208, 260, 278, 320, 416, 520, 556, 695, 832, 1040, 1112, 1390, 1807, 2080, 2224, 2780, 3614, 4160, 4448, 5560, 7228, 8896, 9035, 11120, 14456, 18070, 19321, 22240, 28912, 36140, 38642, 44480, 57824, 72280, 77284, 96605, 115648, 144560, 154568, 193210, 251173, 289120, 309136, 386420, 502346, 578240, 618272, 772840, 1004692, 1236544, 1255865, 1545680, 2009384, 2511730, 3091360, 4018768, 5023460, 6182720, 8037536, 10046920, 16075072, 20093840, 40187680, 80375360]

約数ペア:

[(1, 80375360), (2, 40187680), (4, 20093840), (5, 16075072), (8, 10046920), (10, 8037536), (13, 6182720), (16, 5023460), (20, 4018768), (26, 3091360), (32, 2511730), (40, 2009384), (52, 1545680), (64, 1255865), (65, 1236544), (80, 1004692), (104, 772840), (130, 618272), (139, 578240), (160, 502346), (208, 386420), (260, 309136), (278, 289120), (320, 251173), (416, 193210), (520, 154568), (556, 144560), (695, 115648), (832, 96605), (1040, 77284), (1112, 72280), (1390, 57824), (1807, 44480), (2080, 38642), (2224, 36140), (2780, 28912), (3614, 22240), (4160, 19321), (4448, 18070), (5560, 14456), (7228, 11120), (8896, 9035)]