56413240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{691}}^1$

素因数の和:872

約数の個数: 64

約数和(自身を含む): 137763360

約数和(自身を除く): 81350120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 157, 260, 314, 520, 628, 691, 785, 1256, 1382, 1570, 2041, 2764, 3140, 3455, 4082, 5528, 6280, 6910, 8164, 8983, 10205, 13820, 16328, 17966, 20410, 27640, 35932, 40820, 44915, 71864, 81640, 89830, 108487, 179660, 216974, 359320, 433948, 542435, 867896, 1084870, 1410331, 2169740, 2820662, 4339480, 5641324, 7051655, 11282648, 14103310, 28206620, 56413240]

約数ペア:

[(1, 56413240), (2, 28206620), (4, 14103310), (5, 11282648), (8, 7051655), (10, 5641324), (13, 4339480), (20, 2820662), (26, 2169740), (40, 1410331), (52, 1084870), (65, 867896), (104, 542435), (130, 433948), (157, 359320), (260, 216974), (314, 179660), (520, 108487), (628, 89830), (691, 81640), (785, 71864), (1256, 44915), (1382, 40820), (1570, 35932), (2041, 27640), (2764, 20410), (3140, 17966), (3455, 16328), (4082, 13820), (5528, 10205), (6280, 8983), (6910, 8164)]