122447960

素因数分解:

$2^3\times 5^1\times {\mathrm{991}}^1\times {\mathrm{3089}}^1$

素因数の和:4091

約数の個数: 32

約数和(自身を含む): 275875200

約数和(自身を除く): 153427240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 991, 1982, 3089, 3964, 4955, 6178, 7928, 9910, 12356, 15445, 19820, 24712, 30890, 39640, 61780, 123560, 3061199, 6122398, 12244796, 15305995, 24489592, 30611990, 61223980, 122447960]

約数ペア:

[(1, 122447960), (2, 61223980), (4, 30611990), (5, 24489592), (8, 15305995), (10, 12244796), (20, 6122398), (40, 3061199), (991, 123560), (1982, 61780), (3089, 39640), (3964, 30890), (4955, 24712), (6178, 19820), (7928, 15445), (9910, 12356)]