155656840

素因数分解:

$2^3\times 5^1\times {\mathrm{151}}^1\times {\mathrm{25771}}^1$

素因数の和:25933

約数の個数: 32

約数和(自身を含む): 352560960

約数和(自身を除く): 196904120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 151, 302, 604, 755, 1208, 1510, 3020, 6040, 25771, 51542, 103084, 128855, 206168, 257710, 515420, 1030840, 3891421, 7782842, 15565684, 19457105, 31131368, 38914210, 77828420, 155656840]

約数ペア:

[(1, 155656840), (2, 77828420), (4, 38914210), (5, 31131368), (8, 19457105), (10, 15565684), (20, 7782842), (40, 3891421), (151, 1030840), (302, 515420), (604, 257710), (755, 206168), (1208, 128855), (1510, 103084), (3020, 51542), (6040, 25771)]