20280235600

素因数分解:

$2^4\times 5^2\times {\mathrm{5477}}^1\times {\mathrm{9257}}^1$

素因数の和:14752

約数の個数: 60

約数和(自身を含む): 48737426364

約数和(自身を除く): 28457190764

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 5477, 9257, 10954, 18514, 21908, 27385, 37028, 43816, 46285, 54770, 74056, 87632, 92570, 109540, 136925, 148112, 185140, 219080, 231425, 273850, 370280, 438160, 462850, 547700, 740560, 925700, 1095400, 1851400, 2190800, 3702800, 50700589, 101401178, 202802356, 253502945, 405604712, 507005890, 811209424, 1014011780, 1267514725, 2028023560, 2535029450, 4056047120, 5070058900, 10140117800, 20280235600]

約数ペア:

[(1, 20280235600), (2, 10140117800), (4, 5070058900), (5, 4056047120), (8, 2535029450), (10, 2028023560), (16, 1267514725), (20, 1014011780), (25, 811209424), (40, 507005890), (50, 405604712), (80, 253502945), (100, 202802356), (200, 101401178), (400, 50700589), (5477, 3702800), (9257, 2190800), (10954, 1851400), (18514, 1095400), (21908, 925700), (27385, 740560), (37028, 547700), (43816, 462850), (46285, 438160), (54770, 370280), (74056, 273850), (87632, 231425), (92570, 219080), (109540, 185140), (136925, 148112)]