39982500

素因数分解:

$2^2\times 3^2\times 5^4\times {\mathrm{1777}}^1$

素因数の和:1807

約数の個数: 90

約数和(自身を含む): 126364238

約数和(自身を除く): 86381738

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 125, 150, 180, 225, 250, 300, 375, 450, 500, 625, 750, 900, 1125, 1250, 1500, 1777, 1875, 2250, 2500, 3554, 3750, 4500, 5331, 5625, 7108, 7500, 8885, 10662, 11250, 15993, 17770, 21324, 22500, 26655, 31986, 35540, 44425, 53310, 63972, 79965, 88850, 106620, 133275, 159930, 177700, 222125, 266550, 319860, 399825, 444250, 533100, 666375, 799650, 888500, 1110625, 1332750, 1599300, 1999125, 2221250, 2665500, 3331875, 3998250, 4442500, 6663750, 7996500, 9995625, 13327500, 19991250, 39982500]

約数ペア:

[(1, 39982500), (2, 19991250), (3, 13327500), (4, 9995625), (5, 7996500), (6, 6663750), (9, 4442500), (10, 3998250), (12, 3331875), (15, 2665500), (18, 2221250), (20, 1999125), (25, 1599300), (30, 1332750), (36, 1110625), (45, 888500), (50, 799650), (60, 666375), (75, 533100), (90, 444250), (100, 399825), (125, 319860), (150, 266550), (180, 222125), (225, 177700), (250, 159930), (300, 133275), (375, 106620), (450, 88850), (500, 79965), (625, 63972), (750, 53310), (900, 44425), (1125, 35540), (1250, 31986), (1500, 26655), (1777, 22500), (1875, 21324), (2250, 17770), (2500, 15993), (3554, 11250), (3750, 10662), (4500, 8885), (5331, 7500), (5625, 7108)]