12732400

素因数分解:

$2^4\times 5^2\times {\mathrm{139}}^1\times {\mathrm{229}}^1$

素因数の和:386

約数の個数: 60

約数和(自身を含む): 30944200

約数和(自身を除く): 18211800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 139, 200, 229, 278, 400, 458, 556, 695, 916, 1112, 1145, 1390, 1832, 2224, 2290, 2780, 3475, 3664, 4580, 5560, 5725, 6950, 9160, 11120, 11450, 13900, 18320, 22900, 27800, 31831, 45800, 55600, 63662, 91600, 127324, 159155, 254648, 318310, 509296, 636620, 795775, 1273240, 1591550, 2546480, 3183100, 6366200, 12732400]

約数ペア:

[(1, 12732400), (2, 6366200), (4, 3183100), (5, 2546480), (8, 1591550), (10, 1273240), (16, 795775), (20, 636620), (25, 509296), (40, 318310), (50, 254648), (80, 159155), (100, 127324), (139, 91600), (200, 63662), (229, 55600), (278, 45800), (400, 31831), (458, 27800), (556, 22900), (695, 18320), (916, 13900), (1112, 11450), (1145, 11120), (1390, 9160), (1832, 6950), (2224, 5725), (2290, 5560), (2780, 4580), (3475, 3664)]