811760

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:225

約数の個数: 40

約数和(自身を含む): 1926960

約数和(自身を除く): 1115200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 139, 146, 278, 292, 365, 556, 584, 695, 730, 1112, 1168, 1390, 1460, 2224, 2780, 2920, 5560, 5840, 10147, 11120, 20294, 40588, 50735, 81176, 101470, 162352, 202940, 405880, 811760]

約数ペア:

[(1, 811760), (2, 405880), (4, 202940), (5, 162352), (8, 101470), (10, 81176), (16, 50735), (20, 40588), (40, 20294), (73, 11120), (80, 10147), (139, 5840), (146, 5560), (278, 2920), (292, 2780), (365, 2224), (556, 1460), (584, 1390), (695, 1168), (730, 1112)]