28981280

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5843}}^1$

素因数の和:5889

約数の個数: 48

約数和(自身を含む): 70689024

約数和(自身を除く): 41707744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 5843, 11686, 23372, 29215, 46744, 58430, 93488, 116860, 181133, 186976, 233720, 362266, 467440, 724532, 905665, 934880, 1449064, 1811330, 2898128, 3622660, 5796256, 7245320, 14490640, 28981280]

約数ペア:

[(1, 28981280), (2, 14490640), (4, 7245320), (5, 5796256), (8, 3622660), (10, 2898128), (16, 1811330), (20, 1449064), (31, 934880), (32, 905665), (40, 724532), (62, 467440), (80, 362266), (124, 233720), (155, 186976), (160, 181133), (248, 116860), (310, 93488), (496, 58430), (620, 46744), (992, 29215), (1240, 23372), (2480, 11686), (4960, 5843)]