99701680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2591}}^1$

素因数の和:2654

約数の個数: 80

約数和(自身を含む): 256483584

約数和(自身を除く): 156781904

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, 2591, 2960, 3848, 4810, 5182, 7696, 9620, 10364, 12955, 19240, 20728, 25910, 33683, 38480, 41456, 51820, 67366, 95867, 103640, 134732, 168415, 191734, 207280, 269464, 336830, 383468, 479335, 538928, 673660, 766936, 958670, 1246271, 1347320, 1533872, 1917340, 2492542, 2694640, 3834680, 4985084, 6231355, 7669360, 9970168, 12462710, 19940336, 24925420, 49850840, 99701680]

約数ペア:

[(1, 99701680), (2, 49850840), (4, 24925420), (5, 19940336), (8, 12462710), (10, 9970168), (13, 7669360), (16, 6231355), (20, 4985084), (26, 3834680), (37, 2694640), (40, 2492542), (52, 1917340), (65, 1533872), (74, 1347320), (80, 1246271), (104, 958670), (130, 766936), (148, 673660), (185, 538928), (208, 479335), (260, 383468), (296, 336830), (370, 269464), (481, 207280), (520, 191734), (592, 168415), (740, 134732), (962, 103640), (1040, 95867), (1480, 67366), (1924, 51820), (2405, 41456), (2591, 38480), (2960, 33683), (3848, 25910), (4810, 20728), (5182, 19240), (7696, 12955), (9620, 10364)]