65500000

素因数分解:

$2^5\times 5^6\times {\mathrm{131}}^1$

素因数の和:171

約数の個数: 84

約数和(自身を含む): 162419796

約数和(自身を除く): 96919796

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 131, 160, 200, 250, 262, 400, 500, 524, 625, 655, 800, 1000, 1048, 1250, 1310, 2000, 2096, 2500, 2620, 3125, 3275, 4000, 4192, 5000, 5240, 6250, 6550, 10000, 10480, 12500, 13100, 15625, 16375, 20000, 20960, 25000, 26200, 31250, 32750, 50000, 52400, 62500, 65500, 81875, 100000, 104800, 125000, 131000, 163750, 250000, 262000, 327500, 409375, 500000, 524000, 655000, 818750, 1310000, 1637500, 2046875, 2620000, 3275000, 4093750, 6550000, 8187500, 13100000, 16375000, 32750000, 65500000]

約数ペア:

[(1, 65500000), (2, 32750000), (4, 16375000), (5, 13100000), (8, 8187500), (10, 6550000), (16, 4093750), (20, 3275000), (25, 2620000), (32, 2046875), (40, 1637500), (50, 1310000), (80, 818750), (100, 655000), (125, 524000), (131, 500000), (160, 409375), (200, 327500), (250, 262000), (262, 250000), (400, 163750), (500, 131000), (524, 125000), (625, 104800), (655, 100000), (800, 81875), (1000, 65500), (1048, 62500), (1250, 52400), (1310, 50000), (2000, 32750), (2096, 31250), (2500, 26200), (2620, 25000), (3125, 20960), (3275, 20000), (4000, 16375), (4192, 15625), (5000, 13100), (5240, 12500), (6250, 10480), (6550, 10000)]