53980000

素因数分解:

$2^5\times 5^4\times {\mathrm{2699}}^1$

素因数の和:2729

約数の個数: 60

約数和(自身を含む): 132848100

約数和(自身を除く): 78868100

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 625, 800, 1000, 1250, 2000, 2500, 2699, 4000, 5000, 5398, 10000, 10796, 13495, 20000, 21592, 26990, 43184, 53980, 67475, 86368, 107960, 134950, 215920, 269900, 337375, 431840, 539800, 674750, 1079600, 1349500, 1686875, 2159200, 2699000, 3373750, 5398000, 6747500, 10796000, 13495000, 26990000, 53980000]

約数ペア:

[(1, 53980000), (2, 26990000), (4, 13495000), (5, 10796000), (8, 6747500), (10, 5398000), (16, 3373750), (20, 2699000), (25, 2159200), (32, 1686875), (40, 1349500), (50, 1079600), (80, 674750), (100, 539800), (125, 431840), (160, 337375), (200, 269900), (250, 215920), (400, 134950), (500, 107960), (625, 86368), (800, 67475), (1000, 53980), (1250, 43184), (2000, 26990), (2500, 21592), (2699, 20000), (4000, 13495), (5000, 10796), (5398, 10000)]