25447280

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^2\times {\mathrm{331}}^1$

素因数の和:406

約数の個数: 60

約数和(自身を含む): 61319736

約数和(自身を除く): 35872456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 331, 496, 620, 662, 961, 1240, 1324, 1655, 1922, 2480, 2648, 3310, 3844, 4805, 5296, 6620, 7688, 9610, 10261, 13240, 15376, 19220, 20522, 26480, 38440, 41044, 51305, 76880, 82088, 102610, 164176, 205220, 318091, 410440, 636182, 820880, 1272364, 1590455, 2544728, 3180910, 5089456, 6361820, 12723640, 25447280]

約数ペア:

[(1, 25447280), (2, 12723640), (4, 6361820), (5, 5089456), (8, 3180910), (10, 2544728), (16, 1590455), (20, 1272364), (31, 820880), (40, 636182), (62, 410440), (80, 318091), (124, 205220), (155, 164176), (248, 102610), (310, 82088), (331, 76880), (496, 51305), (620, 41044), (662, 38440), (961, 26480), (1240, 20522), (1324, 19220), (1655, 15376), (1922, 13240), (2480, 10261), (2648, 9610), (3310, 7688), (3844, 6620), (4805, 5296)]