25137980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{113}}^1\times {\mathrm{227}}^1$

素因数の和:363

約数の個数: 72

約数和(自身を含む): 62224848

約数和(自身を除く): 37086868

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 113, 140, 196, 226, 227, 245, 452, 454, 490, 565, 791, 908, 980, 1130, 1135, 1582, 1589, 2260, 2270, 3164, 3178, 3955, 4540, 5537, 6356, 7910, 7945, 11074, 11123, 15820, 15890, 22148, 22246, 25651, 27685, 31780, 44492, 51302, 55370, 55615, 102604, 110740, 111230, 128255, 179557, 222460, 256510, 359114, 513020, 718228, 897785, 1256899, 1795570, 2513798, 3591140, 5027596, 6284495, 12568990, 25137980]

約数ペア:

[(1, 25137980), (2, 12568990), (4, 6284495), (5, 5027596), (7, 3591140), (10, 2513798), (14, 1795570), (20, 1256899), (28, 897785), (35, 718228), (49, 513020), (70, 359114), (98, 256510), (113, 222460), (140, 179557), (196, 128255), (226, 111230), (227, 110740), (245, 102604), (452, 55615), (454, 55370), (490, 51302), (565, 44492), (791, 31780), (908, 27685), (980, 25651), (1130, 22246), (1135, 22148), (1582, 15890), (1589, 15820), (2260, 11123), (2270, 11074), (3164, 7945), (3178, 7910), (3955, 6356), (4540, 5537)]