79983280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{76907}}^1$

素因数の和:76933

約数の個数: 40

約数和(自身を含む): 200268432

約数和(自身を除く): 120285152

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 76907, 153814, 307628, 384535, 615256, 769070, 999791, 1230512, 1538140, 1999582, 3076280, 3999164, 4998955, 6152560, 7998328, 9997910, 15996656, 19995820, 39991640, 79983280]

約数ペア:

[(1, 79983280), (2, 39991640), (4, 19995820), (5, 15996656), (8, 9997910), (10, 7998328), (13, 6152560), (16, 4998955), (20, 3999164), (26, 3076280), (40, 1999582), (52, 1538140), (65, 1230512), (80, 999791), (104, 769070), (130, 615256), (208, 384535), (260, 307628), (520, 153814), (1040, 76907)]