129009920

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7753}}^1$

素因数の和:7787

約数の個数: 72

約数和(自身を含む): 332832696

約数和(自身を除く): 203822776

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 832, 1040, 1280, 1664, 2080, 3328, 4160, 7753, 8320, 15506, 16640, 31012, 38765, 62024, 77530, 100789, 124048, 155060, 201578, 248096, 310120, 403156, 496192, 503945, 620240, 806312, 992384, 1007890, 1240480, 1612624, 1984768, 2015780, 2480960, 3225248, 4031560, 4961920, 6450496, 8063120, 9923840, 12900992, 16126240, 25801984, 32252480, 64504960, 129009920]

約数ペア:

[(1, 129009920), (2, 64504960), (4, 32252480), (5, 25801984), (8, 16126240), (10, 12900992), (13, 9923840), (16, 8063120), (20, 6450496), (26, 4961920), (32, 4031560), (40, 3225248), (52, 2480960), (64, 2015780), (65, 1984768), (80, 1612624), (104, 1240480), (128, 1007890), (130, 992384), (160, 806312), (208, 620240), (256, 503945), (260, 496192), (320, 403156), (416, 310120), (520, 248096), (640, 201578), (832, 155060), (1040, 124048), (1280, 100789), (1664, 77530), (2080, 62024), (3328, 38765), (4160, 31012), (7753, 16640), (8320, 15506)]