124576520

素因数分解:

$2^3\times 5^1\times {\mathrm{491}}^1\times {\mathrm{6343}}^1$

素因数の和:6845

約数の個数: 32

約数和(自身を含む): 280912320

約数和(自身を除く): 156335800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 491, 982, 1964, 2455, 3928, 4910, 6343, 9820, 12686, 19640, 25372, 31715, 50744, 63430, 126860, 253720, 3114413, 6228826, 12457652, 15572065, 24915304, 31144130, 62288260, 124576520]

約数ペア:

[(1, 124576520), (2, 62288260), (4, 31144130), (5, 24915304), (8, 15572065), (10, 12457652), (20, 6228826), (40, 3114413), (491, 253720), (982, 126860), (1964, 63430), (2455, 50744), (3928, 31715), (4910, 25372), (6343, 19640), (9820, 12686)]