55360120

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{193}}^1$

素因数の和:376

約数の個数: 64

約数和(自身を含む): 128226240

約数和(自身を除く): 72866120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 101, 142, 193, 202, 284, 355, 386, 404, 505, 568, 710, 772, 808, 965, 1010, 1420, 1544, 1930, 2020, 2840, 3860, 4040, 7171, 7720, 13703, 14342, 19493, 27406, 28684, 35855, 38986, 54812, 57368, 68515, 71710, 77972, 97465, 109624, 137030, 143420, 155944, 194930, 274060, 286840, 389860, 548120, 779720, 1384003, 2768006, 5536012, 6920015, 11072024, 13840030, 27680060, 55360120]

約数ペア:

[(1, 55360120), (2, 27680060), (4, 13840030), (5, 11072024), (8, 6920015), (10, 5536012), (20, 2768006), (40, 1384003), (71, 779720), (101, 548120), (142, 389860), (193, 286840), (202, 274060), (284, 194930), (355, 155944), (386, 143420), (404, 137030), (505, 109624), (568, 97465), (710, 77972), (772, 71710), (808, 68515), (965, 57368), (1010, 54812), (1420, 38986), (1544, 35855), (1930, 28684), (2020, 27406), (2840, 19493), (3860, 14342), (4040, 13703), (7171, 7720)]