29777680

素因数分解:

$2^4\times 5^1\times {\mathrm{449}}^1\times {\mathrm{829}}^1$

素因数の和:1291

約数の個数: 40

約数和(自身を含む): 69471000

約数和(自身を除く): 39693320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 449, 829, 898, 1658, 1796, 2245, 3316, 3592, 4145, 4490, 6632, 7184, 8290, 8980, 13264, 16580, 17960, 33160, 35920, 66320, 372221, 744442, 1488884, 1861105, 2977768, 3722210, 5955536, 7444420, 14888840, 29777680]

約数ペア:

[(1, 29777680), (2, 14888840), (4, 7444420), (5, 5955536), (8, 3722210), (10, 2977768), (16, 1861105), (20, 1488884), (40, 744442), (80, 372221), (449, 66320), (829, 35920), (898, 33160), (1658, 17960), (1796, 16580), (2245, 13264), (3316, 8980), (3592, 8290), (4145, 7184), (4490, 6632)]