259840

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{29}}^1$

素因数の和:57

約数の個数: 72

約数和(自身を含む): 735840

約数和(自身を除く): 476000

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, 256, 280, 290, 320, 406, 448, 464, 560, 580, 640, 812, 896, 928, 1015, 1120, 1160, 1280, 1624, 1792, 1856, 2030, 2240, 2320, 3248, 3712, 4060, 4480, 4640, 6496, 7424, 8120, 8960, 9280, 12992, 16240, 18560, 25984, 32480, 37120, 51968, 64960, 129920, 259840]

約数ペア:

[(1, 259840), (2, 129920), (4, 64960), (5, 51968), (7, 37120), (8, 32480), (10, 25984), (14, 18560), (16, 16240), (20, 12992), (28, 9280), (29, 8960), (32, 8120), (35, 7424), (40, 6496), (56, 4640), (58, 4480), (64, 4060), (70, 3712), (80, 3248), (112, 2320), (116, 2240), (128, 2030), (140, 1856), (145, 1792), (160, 1624), (203, 1280), (224, 1160), (232, 1120), (256, 1015), (280, 928), (290, 896), (320, 812), (406, 640), (448, 580), (464, 560)]