13388560

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1657}}^1$

素因数の和:1771

約数の個数: 40

約数和(自身を含む): 31455576

約数和(自身を除く): 18067016

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1616, 1657, 2020, 3314, 4040, 6628, 8080, 8285, 13256, 16570, 26512, 33140, 66280, 132560, 167357, 334714, 669428, 836785, 1338856, 1673570, 2677712, 3347140, 6694280, 13388560]

約数ペア:

[(1, 13388560), (2, 6694280), (4, 3347140), (5, 2677712), (8, 1673570), (10, 1338856), (16, 836785), (20, 669428), (40, 334714), (80, 167357), (101, 132560), (202, 66280), (404, 33140), (505, 26512), (808, 16570), (1010, 13256), (1616, 8285), (1657, 8080), (2020, 6628), (3314, 4040)]