25240540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{503}}^1$

素因数の和:718

約数の個数: 48

約数和(自身を含む): 57492288

約数和(自身を除く): 32251748

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 193, 260, 386, 503, 772, 965, 1006, 1930, 2012, 2509, 2515, 3860, 5018, 5030, 6539, 10036, 10060, 12545, 13078, 25090, 26156, 32695, 50180, 65390, 97079, 130780, 194158, 388316, 485395, 970790, 1262027, 1941580, 2524054, 5048108, 6310135, 12620270, 25240540]

約数ペア:

[(1, 25240540), (2, 12620270), (4, 6310135), (5, 5048108), (10, 2524054), (13, 1941580), (20, 1262027), (26, 970790), (52, 485395), (65, 388316), (130, 194158), (193, 130780), (260, 97079), (386, 65390), (503, 50180), (772, 32695), (965, 26156), (1006, 25090), (1930, 13078), (2012, 12545), (2509, 10060), (2515, 10036), (3860, 6539), (5018, 5030)]