28613600

素因数分解:

$2^5\times 5^2\times {\mathrm{47}}^1\times {\mathrm{761}}^1$

素因数の和:828

約数の個数: 72

約数和(自身を含む): 71432928

約数和(自身を除く): 42819328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 47, 50, 80, 94, 100, 160, 188, 200, 235, 376, 400, 470, 752, 761, 800, 940, 1175, 1504, 1522, 1880, 2350, 3044, 3760, 3805, 4700, 6088, 7520, 7610, 9400, 12176, 15220, 18800, 19025, 24352, 30440, 35767, 37600, 38050, 60880, 71534, 76100, 121760, 143068, 152200, 178835, 286136, 304400, 357670, 572272, 608800, 715340, 894175, 1144544, 1430680, 1788350, 2861360, 3576700, 5722720, 7153400, 14306800, 28613600]

約数ペア:

[(1, 28613600), (2, 14306800), (4, 7153400), (5, 5722720), (8, 3576700), (10, 2861360), (16, 1788350), (20, 1430680), (25, 1144544), (32, 894175), (40, 715340), (47, 608800), (50, 572272), (80, 357670), (94, 304400), (100, 286136), (160, 178835), (188, 152200), (200, 143068), (235, 121760), (376, 76100), (400, 71534), (470, 60880), (752, 38050), (761, 37600), (800, 35767), (940, 30440), (1175, 24352), (1504, 19025), (1522, 18800), (1880, 15220), (2350, 12176), (3044, 9400), (3760, 7610), (3805, 7520), (4700, 6088)]