4203207920

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{607}}^1\times {\mathrm{857}}^1$

素因数の和:1578

約数の個数: 80

約数和(自身を含む): 9897009408

約数和(自身を除く): 5693801488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 607, 808, 857, 1010, 1214, 1616, 1714, 2020, 2428, 3035, 3428, 4040, 4285, 4856, 6070, 6856, 8080, 8570, 9712, 12140, 13712, 17140, 24280, 34280, 48560, 61307, 68560, 86557, 122614, 173114, 245228, 306535, 346228, 432785, 490456, 520199, 613070, 692456, 865570, 980912, 1040398, 1226140, 1384912, 1731140, 2080796, 2452280, 2600995, 3462280, 4161592, 4904560, 5201990, 6924560, 8323184, 10403980, 20807960, 41615920, 52540099, 105080198, 210160396, 262700495, 420320792, 525400990, 840641584, 1050801980, 2101603960, 4203207920]

約数ペア:

[(1, 4203207920), (2, 2101603960), (4, 1050801980), (5, 840641584), (8, 525400990), (10, 420320792), (16, 262700495), (20, 210160396), (40, 105080198), (80, 52540099), (101, 41615920), (202, 20807960), (404, 10403980), (505, 8323184), (607, 6924560), (808, 5201990), (857, 4904560), (1010, 4161592), (1214, 3462280), (1616, 2600995), (1714, 2452280), (2020, 2080796), (2428, 1731140), (3035, 1384912), (3428, 1226140), (4040, 1040398), (4285, 980912), (4856, 865570), (6070, 692456), (6856, 613070), (8080, 520199), (8570, 490456), (9712, 432785), (12140, 346228), (13712, 306535), (17140, 245228), (24280, 173114), (34280, 122614), (48560, 86557), (61307, 68560)]