64504960

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7753}}^1$

素因数の和:7785

約数の個数: 64

約数和(自身を含む): 166090680

約数和(自身を除く): 101585720

約数列:

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

約数ペア:

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