258585280

素因数分解:

$2^6\times 5^1\times {\mathrm{157}}^1\times {\mathrm{5147}}^1$

素因数の和:5321

約数の個数: 56

約数和(自身を含む): 619798608

約数和(自身を除く): 361213328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 157, 160, 314, 320, 628, 785, 1256, 1570, 2512, 3140, 5024, 5147, 6280, 10048, 10294, 12560, 20588, 25120, 25735, 41176, 50240, 51470, 82352, 102940, 164704, 205880, 329408, 411760, 808079, 823520, 1616158, 1647040, 3232316, 4040395, 6464632, 8080790, 12929264, 16161580, 25858528, 32323160, 51717056, 64646320, 129292640, 258585280]

約数ペア:

[(1, 258585280), (2, 129292640), (4, 64646320), (5, 51717056), (8, 32323160), (10, 25858528), (16, 16161580), (20, 12929264), (32, 8080790), (40, 6464632), (64, 4040395), (80, 3232316), (157, 1647040), (160, 1616158), (314, 823520), (320, 808079), (628, 411760), (785, 329408), (1256, 205880), (1570, 164704), (2512, 102940), (3140, 82352), (5024, 51470), (5147, 50240), (6280, 41176), (10048, 25735), (10294, 25120), (12560, 20588)]