90983360

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21871}}^1$

素因数の和:21901

約数の個数: 56

約数和(自身を含む): 233330496

約数和(自身を除く): 142347136

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 21871, 43742, 87484, 109355, 174968, 218710, 284323, 349936, 437420, 568646, 699872, 874840, 1137292, 1399744, 1421615, 1749680, 2274584, 2843230, 3499360, 4549168, 5686460, 6998720, 9098336, 11372920, 18196672, 22745840, 45491680, 90983360]

約数ペア:

[(1, 90983360), (2, 45491680), (4, 22745840), (5, 18196672), (8, 11372920), (10, 9098336), (13, 6998720), (16, 5686460), (20, 4549168), (26, 3499360), (32, 2843230), (40, 2274584), (52, 1749680), (64, 1421615), (65, 1399744), (80, 1137292), (104, 874840), (130, 699872), (160, 568646), (208, 437420), (260, 349936), (320, 284323), (416, 218710), (520, 174968), (832, 109355), (1040, 87484), (2080, 43742), (4160, 21871)]