25721250

素因数分解:

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

素因数の和:82

約数の個数: 80

約数和(自身を含む): 67853280

約数和(自身を除く): 42132030

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 25, 30, 38, 50, 57, 75, 95, 114, 125, 150, 190, 250, 285, 361, 375, 475, 570, 625, 722, 750, 950, 1083, 1250, 1425, 1805, 1875, 2166, 2375, 2850, 3610, 3750, 4750, 5415, 6859, 7125, 9025, 10830, 11875, 13718, 14250, 18050, 20577, 23750, 27075, 34295, 35625, 41154, 45125, 54150, 68590, 71250, 90250, 102885, 135375, 171475, 205770, 225625, 270750, 342950, 451250, 514425, 676875, 857375, 1028850, 1353750, 1714750, 2572125, 4286875, 5144250, 8573750, 12860625, 25721250]

約数ペア:

[(1, 25721250), (2, 12860625), (3, 8573750), (5, 5144250), (6, 4286875), (10, 2572125), (15, 1714750), (19, 1353750), (25, 1028850), (30, 857375), (38, 676875), (50, 514425), (57, 451250), (75, 342950), (95, 270750), (114, 225625), (125, 205770), (150, 171475), (190, 135375), (250, 102885), (285, 90250), (361, 71250), (375, 68590), (475, 54150), (570, 45125), (625, 41154), (722, 35625), (750, 34295), (950, 27075), (1083, 23750), (1250, 20577), (1425, 18050), (1805, 14250), (1875, 13718), (2166, 11875), (2375, 10830), (2850, 9025), (3610, 7125), (3750, 6859), (4750, 5415)]