25057500

素因数分解:

$2^2\times 3^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{257}}^1$

素因数の和:297

約数の個数: 120

約数和(自身を含む): 78987216

約数和(自身を除く): 53929716

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 125, 130, 150, 156, 195, 250, 257, 260, 300, 325, 375, 390, 500, 514, 625, 650, 750, 771, 780, 975, 1028, 1250, 1285, 1300, 1500, 1542, 1625, 1875, 1950, 2500, 2570, 3084, 3250, 3341, 3750, 3855, 3900, 4875, 5140, 6425, 6500, 6682, 7500, 7710, 8125, 9750, 10023, 12850, 13364, 15420, 16250, 16705, 19275, 19500, 20046, 24375, 25700, 32125, 32500, 33410, 38550, 40092, 48750, 50115, 64250, 66820, 77100, 83525, 96375, 97500, 100230, 128500, 160625, 167050, 192750, 200460, 250575, 321250, 334100, 385500, 417625, 481875, 501150, 642500, 835250, 963750, 1002300, 1252875, 1670500, 1927500, 2088125, 2505750, 4176250, 5011500, 6264375, 8352500, 12528750, 25057500]

約数ペア:

[(1, 25057500), (2, 12528750), (3, 8352500), (4, 6264375), (5, 5011500), (6, 4176250), (10, 2505750), (12, 2088125), (13, 1927500), (15, 1670500), (20, 1252875), (25, 1002300), (26, 963750), (30, 835250), (39, 642500), (50, 501150), (52, 481875), (60, 417625), (65, 385500), (75, 334100), (78, 321250), (100, 250575), (125, 200460), (130, 192750), (150, 167050), (156, 160625), (195, 128500), (250, 100230), (257, 97500), (260, 96375), (300, 83525), (325, 77100), (375, 66820), (390, 64250), (500, 50115), (514, 48750), (625, 40092), (650, 38550), (750, 33410), (771, 32500), (780, 32125), (975, 25700), (1028, 24375), (1250, 20046), (1285, 19500), (1300, 19275), (1500, 16705), (1542, 16250), (1625, 15420), (1875, 13364), (1950, 12850), (2500, 10023), (2570, 9750), (3084, 8125), (3250, 7710), (3341, 7500), (3750, 6682), (3855, 6500), (3900, 6425), (4875, 5140)]