161954000

素因数分解:

$2^4\times 5^3\times {\mathrm{13}}^1\times {\mathrm{6229}}^1$

素因数の和:6265

約数の個数: 80

約数和(自身を含む): 421795920

約数和(自身を除く): 259841920

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 125, 130, 200, 208, 250, 260, 325, 400, 500, 520, 650, 1000, 1040, 1300, 1625, 2000, 2600, 3250, 5200, 6229, 6500, 12458, 13000, 24916, 26000, 31145, 49832, 62290, 80977, 99664, 124580, 155725, 161954, 249160, 311450, 323908, 404885, 498320, 622900, 647816, 778625, 809770, 1245800, 1295632, 1557250, 1619540, 2024425, 2491600, 3114500, 3239080, 4048850, 6229000, 6478160, 8097700, 10122125, 12458000, 16195400, 20244250, 32390800, 40488500, 80977000, 161954000]

約数ペア:

[(1, 161954000), (2, 80977000), (4, 40488500), (5, 32390800), (8, 20244250), (10, 16195400), (13, 12458000), (16, 10122125), (20, 8097700), (25, 6478160), (26, 6229000), (40, 4048850), (50, 3239080), (52, 3114500), (65, 2491600), (80, 2024425), (100, 1619540), (104, 1557250), (125, 1295632), (130, 1245800), (200, 809770), (208, 778625), (250, 647816), (260, 622900), (325, 498320), (400, 404885), (500, 323908), (520, 311450), (650, 249160), (1000, 161954), (1040, 155725), (1300, 124580), (1625, 99664), (2000, 80977), (2600, 62290), (3250, 49832), (5200, 31145), (6229, 26000), (6500, 24916), (12458, 13000)]