48639580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{199}}^1$

素因数の和:331

約数の個数: 72

約数和(自身を含む): 113954400

約数和(自身を除く): 65314820

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 101, 110, 121, 199, 202, 220, 242, 398, 404, 484, 505, 605, 796, 995, 1010, 1111, 1210, 1990, 2020, 2189, 2222, 2420, 3980, 4378, 4444, 5555, 8756, 10945, 11110, 12221, 20099, 21890, 22220, 24079, 24442, 40198, 43780, 48158, 48884, 61105, 80396, 96316, 100495, 120395, 122210, 200990, 221089, 240790, 244420, 401980, 442178, 481580, 884356, 1105445, 2210890, 2431979, 4421780, 4863958, 9727916, 12159895, 24319790, 48639580]

約数ペア:

[(1, 48639580), (2, 24319790), (4, 12159895), (5, 9727916), (10, 4863958), (11, 4421780), (20, 2431979), (22, 2210890), (44, 1105445), (55, 884356), (101, 481580), (110, 442178), (121, 401980), (199, 244420), (202, 240790), (220, 221089), (242, 200990), (398, 122210), (404, 120395), (484, 100495), (505, 96316), (605, 80396), (796, 61105), (995, 48884), (1010, 48158), (1111, 43780), (1210, 40198), (1990, 24442), (2020, 24079), (2189, 22220), (2222, 21890), (2420, 20099), (3980, 12221), (4378, 11110), (4444, 10945), (5555, 8756)]