129920

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{29}}^1$

素因数の和:55

約数の個数: 64

約数和(自身を含む): 367200

約数和(自身を除く): 237280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 32, 35, 40, 56, 58, 64, 70, 80, 112, 116, 128, 140, 145, 160, 203, 224, 232, 280, 290, 320, 406, 448, 464, 560, 580, 640, 812, 896, 928, 1015, 1120, 1160, 1624, 1856, 2030, 2240, 2320, 3248, 3712, 4060, 4480, 4640, 6496, 8120, 9280, 12992, 16240, 18560, 25984, 32480, 64960, 129920]

約数ペア:

[(1, 129920), (2, 64960), (4, 32480), (5, 25984), (7, 18560), (8, 16240), (10, 12992), (14, 9280), (16, 8120), (20, 6496), (28, 4640), (29, 4480), (32, 4060), (35, 3712), (40, 3248), (56, 2320), (58, 2240), (64, 2030), (70, 1856), (80, 1624), (112, 1160), (116, 1120), (128, 1015), (140, 928), (145, 896), (160, 812), (203, 640), (224, 580), (232, 560), (280, 464), (290, 448), (320, 406)]