55887100

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{317}}^1$

素因数の和:415

約数の個数: 72

約数和(自身を含む): 127523088

約数和(自身を除く): 71635988

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 43, 50, 82, 86, 100, 164, 172, 205, 215, 317, 410, 430, 634, 820, 860, 1025, 1075, 1268, 1585, 1763, 2050, 2150, 3170, 3526, 4100, 4300, 6340, 7052, 7925, 8815, 12997, 13631, 15850, 17630, 25994, 27262, 31700, 35260, 44075, 51988, 54524, 64985, 68155, 88150, 129970, 136310, 176300, 259940, 272620, 324925, 340775, 558871, 649850, 681550, 1117742, 1299700, 1363100, 2235484, 2794355, 5588710, 11177420, 13971775, 27943550, 55887100]

約数ペア:

[(1, 55887100), (2, 27943550), (4, 13971775), (5, 11177420), (10, 5588710), (20, 2794355), (25, 2235484), (41, 1363100), (43, 1299700), (50, 1117742), (82, 681550), (86, 649850), (100, 558871), (164, 340775), (172, 324925), (205, 272620), (215, 259940), (317, 176300), (410, 136310), (430, 129970), (634, 88150), (820, 68155), (860, 64985), (1025, 54524), (1075, 51988), (1268, 44075), (1585, 35260), (1763, 31700), (2050, 27262), (2150, 25994), (3170, 17630), (3526, 15850), (4100, 13631), (4300, 12997), (6340, 8815), (7052, 7925)]