25107280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{277}}^1$

素因数の和:404

約数の個数: 80

約数和(自身を含む): 64531584

約数和(自身を除く): 39424304

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 103, 110, 176, 206, 220, 277, 412, 440, 515, 554, 824, 880, 1030, 1108, 1133, 1385, 1648, 2060, 2216, 2266, 2770, 3047, 4120, 4432, 4532, 5540, 5665, 6094, 8240, 9064, 11080, 11330, 12188, 15235, 18128, 22160, 22660, 24376, 28531, 30470, 45320, 48752, 57062, 60940, 90640, 114124, 121880, 142655, 228248, 243760, 285310, 313841, 456496, 570620, 627682, 1141240, 1255364, 1569205, 2282480, 2510728, 3138410, 5021456, 6276820, 12553640, 25107280]

約数ペア:

[(1, 25107280), (2, 12553640), (4, 6276820), (5, 5021456), (8, 3138410), (10, 2510728), (11, 2282480), (16, 1569205), (20, 1255364), (22, 1141240), (40, 627682), (44, 570620), (55, 456496), (80, 313841), (88, 285310), (103, 243760), (110, 228248), (176, 142655), (206, 121880), (220, 114124), (277, 90640), (412, 60940), (440, 57062), (515, 48752), (554, 45320), (824, 30470), (880, 28531), (1030, 24376), (1108, 22660), (1133, 22160), (1385, 18128), (1648, 15235), (2060, 12188), (2216, 11330), (2266, 11080), (2770, 9064), (3047, 8240), (4120, 6094), (4432, 5665), (4532, 5540)]