51338480

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{163}}^1$

素因数の和:334

約数の個数: 80

約数和(自身を含む): 124944384

約数和(自身を除く): 73605904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 127, 155, 163, 248, 254, 310, 326, 496, 508, 620, 635, 652, 815, 1016, 1240, 1270, 1304, 1630, 2032, 2480, 2540, 2608, 3260, 3937, 5053, 5080, 6520, 7874, 10106, 10160, 13040, 15748, 19685, 20212, 20701, 25265, 31496, 39370, 40424, 41402, 50530, 62992, 78740, 80848, 82804, 101060, 103505, 157480, 165608, 202120, 207010, 314960, 331216, 404240, 414020, 641731, 828040, 1283462, 1656080, 2566924, 3208655, 5133848, 6417310, 10267696, 12834620, 25669240, 51338480]

約数ペア:

[(1, 51338480), (2, 25669240), (4, 12834620), (5, 10267696), (8, 6417310), (10, 5133848), (16, 3208655), (20, 2566924), (31, 1656080), (40, 1283462), (62, 828040), (80, 641731), (124, 414020), (127, 404240), (155, 331216), (163, 314960), (248, 207010), (254, 202120), (310, 165608), (326, 157480), (496, 103505), (508, 101060), (620, 82804), (635, 80848), (652, 78740), (815, 62992), (1016, 50530), (1240, 41402), (1270, 40424), (1304, 39370), (1630, 31496), (2032, 25265), (2480, 20701), (2540, 20212), (2608, 19685), (3260, 15748), (3937, 13040), (5053, 10160), (5080, 10106), (6520, 7874)]