55452280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^3\times {\mathrm{631}}^1$

素因数の和:681

約数の個数: 64

約数和(自身を含む): 135374400

約数和(自身を除く): 79922120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 631, 676, 845, 1262, 1352, 1690, 2197, 2524, 3155, 3380, 4394, 5048, 6310, 6760, 8203, 8788, 10985, 12620, 16406, 17576, 21970, 25240, 32812, 41015, 43940, 65624, 82030, 87880, 106639, 164060, 213278, 328120, 426556, 533195, 853112, 1066390, 1386307, 2132780, 2772614, 4265560, 5545228, 6931535, 11090456, 13863070, 27726140, 55452280]

約数ペア:

[(1, 55452280), (2, 27726140), (4, 13863070), (5, 11090456), (8, 6931535), (10, 5545228), (13, 4265560), (20, 2772614), (26, 2132780), (40, 1386307), (52, 1066390), (65, 853112), (104, 533195), (130, 426556), (169, 328120), (260, 213278), (338, 164060), (520, 106639), (631, 87880), (676, 82030), (845, 65624), (1262, 43940), (1352, 41015), (1690, 32812), (2197, 25240), (2524, 21970), (3155, 17576), (3380, 16406), (4394, 12620), (5048, 10985), (6310, 8788), (6760, 8203)]