1223440

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{373}}^1$

素因数の和:427

約数の個数: 40

約数和(自身を含む): 2921688

約数和(自身を除く): 1698248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 373, 410, 656, 746, 820, 1492, 1640, 1865, 2984, 3280, 3730, 5968, 7460, 14920, 15293, 29840, 30586, 61172, 76465, 122344, 152930, 244688, 305860, 611720, 1223440]

約数ペア:

[(1, 1223440), (2, 611720), (4, 305860), (5, 244688), (8, 152930), (10, 122344), (16, 76465), (20, 61172), (40, 30586), (41, 29840), (80, 15293), (82, 14920), (164, 7460), (205, 5968), (328, 3730), (373, 3280), (410, 2984), (656, 1865), (746, 1640), (820, 1492)]