206360180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{25603}}^1$

素因数の和:25656

約数の個数: 48

約数和(自身を含む): 481764864

約数和(自身を除く): 275404684

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 25603, 51206, 102412, 128015, 256030, 332839, 512060, 665678, 793693, 1331356, 1587386, 1664195, 3174772, 3328390, 3968465, 6656780, 7936930, 10318009, 15873860, 20636018, 41272036, 51590045, 103180090, 206360180]

約数ペア:

[(1, 206360180), (2, 103180090), (4, 51590045), (5, 41272036), (10, 20636018), (13, 15873860), (20, 10318009), (26, 7936930), (31, 6656780), (52, 3968465), (62, 3328390), (65, 3174772), (124, 1664195), (130, 1587386), (155, 1331356), (260, 793693), (310, 665678), (403, 512060), (620, 332839), (806, 256030), (1612, 128015), (2015, 102412), (4030, 51206), (8060, 25603)]