2546480

素因数分解:

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

素因数の和:381

約数の個数: 40

約数和(自身を含む): 5989200

約数和(自身を除く): 3442720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 229, 278, 458, 556, 695, 916, 1112, 1145, 1390, 1832, 2224, 2290, 2780, 3664, 4580, 5560, 9160, 11120, 18320, 31831, 63662, 127324, 159155, 254648, 318310, 509296, 636620, 1273240, 2546480]

約数ペア:

[(1, 2546480), (2, 1273240), (4, 636620), (5, 509296), (8, 318310), (10, 254648), (16, 159155), (20, 127324), (40, 63662), (80, 31831), (139, 18320), (229, 11120), (278, 9160), (458, 5560), (556, 4580), (695, 3664), (916, 2780), (1112, 2290), (1145, 2224), (1390, 1832)]