80143996

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{503}}^1\times {\mathrm{653}}^1$

素因数の和:1221

約数の個数: 24

約数和(自身を含む): 143053344

約数和(自身を除く): 62909348

約数列:

[1, 2, 4, 61, 122, 244, 503, 653, 1006, 1306, 2012, 2612, 30683, 39833, 61366, 79666, 122732, 159332, 328459, 656918, 1313836, 20035999, 40071998, 80143996]

約数ペア:

[(1, 80143996), (2, 40071998), (4, 20035999), (61, 1313836), (122, 656918), (244, 328459), (503, 159332), (653, 122732), (1006, 79666), (1306, 61366), (2012, 39833), (2612, 30683)]