2256280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4339}}^1$

素因数の和:4363

約数の個数: 32

約数和(自身を含む): 5468400

約数和(自身を除く): 3212120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 4339, 8678, 17356, 21695, 34712, 43390, 56407, 86780, 112814, 173560, 225628, 282035, 451256, 564070, 1128140, 2256280]

約数ペア:

[(1, 2256280), (2, 1128140), (4, 564070), (5, 451256), (8, 282035), (10, 225628), (13, 173560), (20, 112814), (26, 86780), (40, 56407), (52, 43390), (65, 34712), (104, 21695), (130, 17356), (260, 8678), (520, 4339)]