2120560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2039}}^1$

素因数の和:2065

約数の個数: 40

約数和(自身を含む): 5312160

約数和(自身を除く): 3191600

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 2039, 4078, 8156, 10195, 16312, 20390, 26507, 32624, 40780, 53014, 81560, 106028, 132535, 163120, 212056, 265070, 424112, 530140, 1060280, 2120560]

約数ペア:

[(1, 2120560), (2, 1060280), (4, 530140), (5, 424112), (8, 265070), (10, 212056), (13, 163120), (16, 132535), (20, 106028), (26, 81560), (40, 53014), (52, 40780), (65, 32624), (80, 26507), (104, 20390), (130, 16312), (208, 10195), (260, 8156), (520, 4078), (1040, 2039)]