55745540

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{223}}^1\times {\mathrm{431}}^1$

素因数の和:692

約数の個数: 48

約数和(自身を含む): 121927680

約数和(自身を除く): 66182140

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 223, 290, 431, 446, 580, 862, 892, 1115, 1724, 2155, 2230, 4310, 4460, 6467, 8620, 12499, 12934, 24998, 25868, 32335, 49996, 62495, 64670, 96113, 124990, 129340, 192226, 249980, 384452, 480565, 961130, 1922260, 2787277, 5574554, 11149108, 13936385, 27872770, 55745540]

約数ペア:

[(1, 55745540), (2, 27872770), (4, 13936385), (5, 11149108), (10, 5574554), (20, 2787277), (29, 1922260), (58, 961130), (116, 480565), (145, 384452), (223, 249980), (290, 192226), (431, 129340), (446, 124990), (580, 96113), (862, 64670), (892, 62495), (1115, 49996), (1724, 32335), (2155, 25868), (2230, 24998), (4310, 12934), (4460, 12499), (6467, 8620)]