128701640

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{48023}}^1$

素因数の和:48101

約数の個数: 32

約数和(自身を含む): 293906880

約数和(自身を除く): 165205240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 48023, 96046, 192092, 240115, 384184, 480230, 960460, 1920920, 3217541, 6435082, 12870164, 16087705, 25740328, 32175410, 64350820, 128701640]

約数ペア:

[(1, 128701640), (2, 64350820), (4, 32175410), (5, 25740328), (8, 16087705), (10, 12870164), (20, 6435082), (40, 3217541), (67, 1920920), (134, 960460), (268, 480230), (335, 384184), (536, 240115), (670, 192092), (1340, 96046), (2680, 48023)]