21980926840

素因数分解:

$2^3\times 5^1\times {\mathrm{6101}}^1\times {\mathrm{90071}}^1$

素因数の和:96183

約数の個数: 32

約数和(自身を含む): 49465740960

約数和(自身を除く): 27484814120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 6101, 12202, 24404, 30505, 48808, 61010, 90071, 122020, 180142, 244040, 360284, 450355, 720568, 900710, 1801420, 3602840, 549523171, 1099046342, 2198092684, 2747615855, 4396185368, 5495231710, 10990463420, 21980926840]

約数ペア:

[(1, 21980926840), (2, 10990463420), (4, 5495231710), (5, 4396185368), (8, 2747615855), (10, 2198092684), (20, 1099046342), (40, 549523171), (6101, 3602840), (12202, 1801420), (24404, 900710), (30505, 720568), (48808, 450355), (61010, 360284), (90071, 244040), (122020, 180142)]