25884740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{433}}^1$

素因数の和:517

約数の個数: 72

約数和(自身を含む): 64417752

約数和(自身を除く): 38533012

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 61, 70, 98, 122, 140, 196, 244, 245, 305, 427, 433, 490, 610, 854, 866, 980, 1220, 1708, 1732, 2135, 2165, 2989, 3031, 4270, 4330, 5978, 6062, 8540, 8660, 11956, 12124, 14945, 15155, 21217, 26413, 29890, 30310, 42434, 52826, 59780, 60620, 84868, 105652, 106085, 132065, 184891, 212170, 264130, 369782, 424340, 528260, 739564, 924455, 1294237, 1848910, 2588474, 3697820, 5176948, 6471185, 12942370, 25884740]

約数ペア:

[(1, 25884740), (2, 12942370), (4, 6471185), (5, 5176948), (7, 3697820), (10, 2588474), (14, 1848910), (20, 1294237), (28, 924455), (35, 739564), (49, 528260), (61, 424340), (70, 369782), (98, 264130), (122, 212170), (140, 184891), (196, 132065), (244, 106085), (245, 105652), (305, 84868), (427, 60620), (433, 59780), (490, 52826), (610, 42434), (854, 30310), (866, 29890), (980, 26413), (1220, 21217), (1708, 15155), (1732, 14945), (2135, 12124), (2165, 11956), (2989, 8660), (3031, 8540), (4270, 6062), (4330, 5978)]