26327980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{2113}}^1$

素因数の和:2218

約数の個数: 48

約数和(自身を含む): 63927360

約数和(自身を除く): 37599380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 356, 445, 623, 890, 1246, 1780, 2113, 2492, 3115, 4226, 6230, 8452, 10565, 12460, 14791, 21130, 29582, 42260, 59164, 73955, 147910, 188057, 295820, 376114, 752228, 940285, 1316399, 1880570, 2632798, 3761140, 5265596, 6581995, 13163990, 26327980]

約数ペア:

[(1, 26327980), (2, 13163990), (4, 6581995), (5, 5265596), (7, 3761140), (10, 2632798), (14, 1880570), (20, 1316399), (28, 940285), (35, 752228), (70, 376114), (89, 295820), (140, 188057), (178, 147910), (356, 73955), (445, 59164), (623, 42260), (890, 29582), (1246, 21130), (1780, 14791), (2113, 12460), (2492, 10565), (3115, 8452), (4226, 6230)]