55507280

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{311}}^1$

素因数の和:444

約数の個数: 80

約数和(自身を含む): 136491264

約数和(自身を除く): 80983984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 97, 115, 184, 194, 230, 311, 368, 388, 460, 485, 622, 776, 920, 970, 1244, 1552, 1555, 1840, 1940, 2231, 2488, 3110, 3880, 4462, 4976, 6220, 7153, 7760, 8924, 11155, 12440, 14306, 17848, 22310, 24880, 28612, 30167, 35696, 35765, 44620, 57224, 60334, 71530, 89240, 114448, 120668, 143060, 150835, 178480, 241336, 286120, 301670, 482672, 572240, 603340, 693841, 1206680, 1387682, 2413360, 2775364, 3469205, 5550728, 6938410, 11101456, 13876820, 27753640, 55507280]

約数ペア:

[(1, 55507280), (2, 27753640), (4, 13876820), (5, 11101456), (8, 6938410), (10, 5550728), (16, 3469205), (20, 2775364), (23, 2413360), (40, 1387682), (46, 1206680), (80, 693841), (92, 603340), (97, 572240), (115, 482672), (184, 301670), (194, 286120), (230, 241336), (311, 178480), (368, 150835), (388, 143060), (460, 120668), (485, 114448), (622, 89240), (776, 71530), (920, 60334), (970, 57224), (1244, 44620), (1552, 35765), (1555, 35696), (1840, 30167), (1940, 28612), (2231, 24880), (2488, 22310), (3110, 17848), (3880, 14306), (4462, 12440), (4976, 11155), (6220, 8924), (7153, 7760)]