54560560

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:278

約数の個数: 80

約数和(自身を含む): 131241600

約数和(自身を除く): 76681040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 89, 97, 158, 178, 194, 316, 356, 388, 395, 445, 485, 632, 712, 776, 790, 890, 970, 1264, 1424, 1552, 1580, 1780, 1940, 3160, 3560, 3880, 6320, 7031, 7120, 7663, 7760, 8633, 14062, 15326, 17266, 28124, 30652, 34532, 35155, 38315, 43165, 56248, 61304, 69064, 70310, 76630, 86330, 112496, 122608, 138128, 140620, 153260, 172660, 281240, 306520, 345320, 562480, 613040, 682007, 690640, 1364014, 2728028, 3410035, 5456056, 6820070, 10912112, 13640140, 27280280, 54560560]

約数ペア:

[(1, 54560560), (2, 27280280), (4, 13640140), (5, 10912112), (8, 6820070), (10, 5456056), (16, 3410035), (20, 2728028), (40, 1364014), (79, 690640), (80, 682007), (89, 613040), (97, 562480), (158, 345320), (178, 306520), (194, 281240), (316, 172660), (356, 153260), (388, 140620), (395, 138128), (445, 122608), (485, 112496), (632, 86330), (712, 76630), (776, 70310), (790, 69064), (890, 61304), (970, 56248), (1264, 43165), (1424, 38315), (1552, 35155), (1580, 34532), (1780, 30652), (1940, 28124), (3160, 17266), (3560, 15326), (3880, 14062), (6320, 8633), (7031, 7760), (7120, 7663)]