80977000

素因数分解:

$2^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{6229}}^1$

素因数の和:6263

約数の個数: 64

約数和(自身を含む): 204094800

約数和(自身を除く): 123117800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 125, 130, 200, 250, 260, 325, 500, 520, 650, 1000, 1300, 1625, 2600, 3250, 6229, 6500, 12458, 13000, 24916, 31145, 49832, 62290, 80977, 124580, 155725, 161954, 249160, 311450, 323908, 404885, 622900, 647816, 778625, 809770, 1245800, 1557250, 1619540, 2024425, 3114500, 3239080, 4048850, 6229000, 8097700, 10122125, 16195400, 20244250, 40488500, 80977000]

約数ペア:

[(1, 80977000), (2, 40488500), (4, 20244250), (5, 16195400), (8, 10122125), (10, 8097700), (13, 6229000), (20, 4048850), (25, 3239080), (26, 3114500), (40, 2024425), (50, 1619540), (52, 1557250), (65, 1245800), (100, 809770), (104, 778625), (125, 647816), (130, 622900), (200, 404885), (250, 323908), (260, 311450), (325, 249160), (500, 161954), (520, 155725), (650, 124580), (1000, 80977), (1300, 62290), (1625, 49832), (2600, 31145), (3250, 24916), (6229, 13000), (6500, 12458)]