161036240440

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{45234899}}^1$

素因数の和:45234999

約数の個数: 32

約数和(自身を含む): 366402690000

約数和(自身を除く): 205366449560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 45234899, 90469798, 180939596, 226174495, 361879192, 452348990, 904697980, 1809395960, 4025906011, 8051812022, 16103624044, 20129530055, 32207248088, 40259060110, 80518120220, 161036240440]

約数ペア:

[(1, 161036240440), (2, 80518120220), (4, 40259060110), (5, 32207248088), (8, 20129530055), (10, 16103624044), (20, 8051812022), (40, 4025906011), (89, 1809395960), (178, 904697980), (356, 452348990), (445, 361879192), (712, 226174495), (890, 180939596), (1780, 90469798), (3560, 45234899)]