131819480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{4783}}^1$

素因数の和:4860

約数の個数: 64

約数和(自身を含む): 325503360

約数和(自身を除く): 193683880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 53, 65, 104, 106, 130, 212, 260, 265, 424, 520, 530, 689, 1060, 1378, 2120, 2756, 3445, 4783, 5512, 6890, 9566, 13780, 19132, 23915, 27560, 38264, 47830, 62179, 95660, 124358, 191320, 248716, 253499, 310895, 497432, 506998, 621790, 1013996, 1243580, 1267495, 2027992, 2487160, 2534990, 3295487, 5069980, 6590974, 10139960, 13181948, 16477435, 26363896, 32954870, 65909740, 131819480]

約数ペア:

[(1, 131819480), (2, 65909740), (4, 32954870), (5, 26363896), (8, 16477435), (10, 13181948), (13, 10139960), (20, 6590974), (26, 5069980), (40, 3295487), (52, 2534990), (53, 2487160), (65, 2027992), (104, 1267495), (106, 1243580), (130, 1013996), (212, 621790), (260, 506998), (265, 497432), (424, 310895), (520, 253499), (530, 248716), (689, 191320), (1060, 124358), (1378, 95660), (2120, 62179), (2756, 47830), (3445, 38264), (4783, 27560), (5512, 23915), (6890, 19132), (9566, 13780)]