205213840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{5333}}^1$

素因数の和:5396

約数の個数: 80

約数和(自身を含む): 527809968

約数和(自身を除く): 322596128

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 37, 40, 52, 65, 74, 80, 104, 130, 148, 185, 208, 260, 296, 370, 481, 520, 592, 740, 962, 1040, 1480, 1924, 2405, 2960, 3848, 4810, 5333, 7696, 9620, 10666, 19240, 21332, 26665, 38480, 42664, 53330, 69329, 85328, 106660, 138658, 197321, 213320, 277316, 346645, 394642, 426640, 554632, 693290, 789284, 986605, 1109264, 1386580, 1578568, 1973210, 2565173, 2773160, 3157136, 3946420, 5130346, 5546320, 7892840, 10260692, 12825865, 15785680, 20521384, 25651730, 41042768, 51303460, 102606920, 205213840]

約数ペア:

[(1, 205213840), (2, 102606920), (4, 51303460), (5, 41042768), (8, 25651730), (10, 20521384), (13, 15785680), (16, 12825865), (20, 10260692), (26, 7892840), (37, 5546320), (40, 5130346), (52, 3946420), (65, 3157136), (74, 2773160), (80, 2565173), (104, 1973210), (130, 1578568), (148, 1386580), (185, 1109264), (208, 986605), (260, 789284), (296, 693290), (370, 554632), (481, 426640), (520, 394642), (592, 346645), (740, 277316), (962, 213320), (1040, 197321), (1480, 138658), (1924, 106660), (2405, 85328), (2960, 69329), (3848, 53330), (4810, 42664), (5333, 38480), (7696, 26665), (9620, 21332), (10666, 19240)]