42655000

素因数分解:

$2^3\times 5^4\times {\mathrm{19}}^1\times {\mathrm{449}}^1$

素因数の和:494

約数の個数: 80

約数和(自身を含む): 105435000

約数和(自身を除く): 62780000

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 125, 152, 190, 200, 250, 380, 449, 475, 500, 625, 760, 898, 950, 1000, 1250, 1796, 1900, 2245, 2375, 2500, 3592, 3800, 4490, 4750, 5000, 8531, 8980, 9500, 11225, 11875, 17062, 17960, 19000, 22450, 23750, 34124, 42655, 44900, 47500, 56125, 68248, 85310, 89800, 95000, 112250, 170620, 213275, 224500, 280625, 341240, 426550, 449000, 561250, 853100, 1066375, 1122500, 1706200, 2132750, 2245000, 4265500, 5331875, 8531000, 10663750, 21327500, 42655000]

約数ペア:

[(1, 42655000), (2, 21327500), (4, 10663750), (5, 8531000), (8, 5331875), (10, 4265500), (19, 2245000), (20, 2132750), (25, 1706200), (38, 1122500), (40, 1066375), (50, 853100), (76, 561250), (95, 449000), (100, 426550), (125, 341240), (152, 280625), (190, 224500), (200, 213275), (250, 170620), (380, 112250), (449, 95000), (475, 89800), (500, 85310), (625, 68248), (760, 56125), (898, 47500), (950, 44900), (1000, 42655), (1250, 34124), (1796, 23750), (1900, 22450), (2245, 19000), (2375, 17960), (2500, 17062), (3592, 11875), (3800, 11225), (4490, 9500), (4750, 8980), (5000, 8531)]