203263840

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1237}}^1$

素因数の和:1344

約数の個数: 96

約数和(自身を含む): 524119680

約数和(自身を除く): 320855840

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 79, 80, 104, 130, 158, 160, 208, 260, 316, 395, 416, 520, 632, 790, 1027, 1040, 1237, 1264, 1580, 2054, 2080, 2474, 2528, 3160, 4108, 4948, 5135, 6185, 6320, 8216, 9896, 10270, 12370, 12640, 16081, 16432, 19792, 20540, 24740, 32162, 32864, 39584, 41080, 49480, 64324, 80405, 82160, 97723, 98960, 128648, 160810, 164320, 195446, 197920, 257296, 321620, 390892, 488615, 514592, 643240, 781784, 977230, 1270399, 1286480, 1563568, 1954460, 2540798, 2572960, 3127136, 3908920, 5081596, 6351995, 7817840, 10163192, 12703990, 15635680, 20326384, 25407980, 40652768, 50815960, 101631920, 203263840]

約数ペア:

[(1, 203263840), (2, 101631920), (4, 50815960), (5, 40652768), (8, 25407980), (10, 20326384), (13, 15635680), (16, 12703990), (20, 10163192), (26, 7817840), (32, 6351995), (40, 5081596), (52, 3908920), (65, 3127136), (79, 2572960), (80, 2540798), (104, 1954460), (130, 1563568), (158, 1286480), (160, 1270399), (208, 977230), (260, 781784), (316, 643240), (395, 514592), (416, 488615), (520, 390892), (632, 321620), (790, 257296), (1027, 197920), (1040, 195446), (1237, 164320), (1264, 160810), (1580, 128648), (2054, 98960), (2080, 97723), (2474, 82160), (2528, 80405), (3160, 64324), (4108, 49480), (4948, 41080), (5135, 39584), (6185, 32864), (6320, 32162), (8216, 24740), (9896, 20540), (10270, 19792), (12370, 16432), (12640, 16081)]