28643680

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{293}}^1$

素因数の和:368

約数の個数: 96

約数和(自身を含む): 74680704

約数和(自身を除く): 46037024

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 47, 52, 65, 80, 94, 104, 130, 160, 188, 208, 235, 260, 293, 376, 416, 470, 520, 586, 611, 752, 940, 1040, 1172, 1222, 1465, 1504, 1880, 2080, 2344, 2444, 2930, 3055, 3760, 3809, 4688, 4888, 5860, 6110, 7520, 7618, 9376, 9776, 11720, 12220, 13771, 15236, 19045, 19552, 23440, 24440, 27542, 30472, 38090, 46880, 48880, 55084, 60944, 68855, 76180, 97760, 110168, 121888, 137710, 152360, 179023, 220336, 275420, 304720, 358046, 440672, 550840, 609440, 716092, 895115, 1101680, 1432184, 1790230, 2203360, 2864368, 3580460, 5728736, 7160920, 14321840, 28643680]

約数ペア:

[(1, 28643680), (2, 14321840), (4, 7160920), (5, 5728736), (8, 3580460), (10, 2864368), (13, 2203360), (16, 1790230), (20, 1432184), (26, 1101680), (32, 895115), (40, 716092), (47, 609440), (52, 550840), (65, 440672), (80, 358046), (94, 304720), (104, 275420), (130, 220336), (160, 179023), (188, 152360), (208, 137710), (235, 121888), (260, 110168), (293, 97760), (376, 76180), (416, 68855), (470, 60944), (520, 55084), (586, 48880), (611, 46880), (752, 38090), (940, 30472), (1040, 27542), (1172, 24440), (1222, 23440), (1465, 19552), (1504, 19045), (1880, 15236), (2080, 13771), (2344, 12220), (2444, 11720), (2930, 9776), (3055, 9376), (3760, 7618), (3809, 7520), (4688, 6110), (4888, 5860)]