25604800

素因数分解:

$2^6\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1231}}^1$

素因数の和:1266

約数の個数: 84

約数和(自身を含む): 67905376

約数和(自身を除く): 42300576

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 130, 160, 200, 208, 260, 320, 325, 400, 416, 520, 650, 800, 832, 1040, 1231, 1300, 1600, 2080, 2462, 2600, 4160, 4924, 5200, 6155, 9848, 10400, 12310, 16003, 19696, 20800, 24620, 30775, 32006, 39392, 49240, 61550, 64012, 78784, 80015, 98480, 123100, 128024, 160030, 196960, 246200, 256048, 320060, 393920, 400075, 492400, 512096, 640120, 800150, 984800, 1024192, 1280240, 1600300, 1969600, 2560480, 3200600, 5120960, 6401200, 12802400, 25604800]

約数ペア:

[(1, 25604800), (2, 12802400), (4, 6401200), (5, 5120960), (8, 3200600), (10, 2560480), (13, 1969600), (16, 1600300), (20, 1280240), (25, 1024192), (26, 984800), (32, 800150), (40, 640120), (50, 512096), (52, 492400), (64, 400075), (65, 393920), (80, 320060), (100, 256048), (104, 246200), (130, 196960), (160, 160030), (200, 128024), (208, 123100), (260, 98480), (320, 80015), (325, 78784), (400, 64012), (416, 61550), (520, 49240), (650, 39392), (800, 32006), (832, 30775), (1040, 24620), (1231, 20800), (1300, 19696), (1600, 16003), (2080, 12310), (2462, 10400), (2600, 9848), (4160, 6155), (4924, 5200)]