20138025700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1847}}^1\times {\mathrm{8387}}^1$

素因数の和:10261

約数の個数: 72

約数和(自身を含む): 47092110912

約数和(自身を除く): 26954085212

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 1847, 3694, 7388, 8387, 9235, 16774, 18470, 24011, 33548, 36940, 41935, 46175, 48022, 83870, 92350, 96044, 109031, 120055, 167740, 184700, 209675, 218062, 240110, 419350, 436124, 480220, 545155, 600275, 838700, 1090310, 1200550, 2180620, 2401100, 2725775, 5451550, 10903100, 15490789, 30981578, 61963156, 77453945, 154907890, 201380257, 309815780, 387269725, 402760514, 774539450, 805521028, 1006901285, 1549078900, 2013802570, 4027605140, 5034506425, 10069012850, 20138025700]

約数ペア:

[(1, 20138025700), (2, 10069012850), (4, 5034506425), (5, 4027605140), (10, 2013802570), (13, 1549078900), (20, 1006901285), (25, 805521028), (26, 774539450), (50, 402760514), (52, 387269725), (65, 309815780), (100, 201380257), (130, 154907890), (260, 77453945), (325, 61963156), (650, 30981578), (1300, 15490789), (1847, 10903100), (3694, 5451550), (7388, 2725775), (8387, 2401100), (9235, 2180620), (16774, 1200550), (18470, 1090310), (24011, 838700), (33548, 600275), (36940, 545155), (41935, 480220), (46175, 436124), (48022, 419350), (83870, 240110), (92350, 218062), (96044, 209675), (109031, 184700), (120055, 167740)]