80801835160

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{234589}}^1$

素因数の和:234788

約数の個数: 64

約数和(自身を含む): 185795280000

約数和(自身を除く): 104993444840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 109, 158, 218, 316, 395, 436, 545, 632, 790, 872, 1090, 1580, 2180, 3160, 4360, 8611, 17222, 34444, 43055, 68888, 86110, 172220, 234589, 344440, 469178, 938356, 1172945, 1876712, 2345890, 4691780, 9383560, 18532531, 25570201, 37065062, 51140402, 74130124, 92662655, 102280804, 127851005, 148260248, 185325310, 204561608, 255702010, 370650620, 511404020, 741301240, 1022808040, 2020045879, 4040091758, 8080183516, 10100229395, 16160367032, 20200458790, 40400917580, 80801835160]

約数ペア:

[(1, 80801835160), (2, 40400917580), (4, 20200458790), (5, 16160367032), (8, 10100229395), (10, 8080183516), (20, 4040091758), (40, 2020045879), (79, 1022808040), (109, 741301240), (158, 511404020), (218, 370650620), (316, 255702010), (395, 204561608), (436, 185325310), (545, 148260248), (632, 127851005), (790, 102280804), (872, 92662655), (1090, 74130124), (1580, 51140402), (2180, 37065062), (3160, 25570201), (4360, 18532531), (8611, 9383560), (17222, 4691780), (34444, 2345890), (43055, 1876712), (68888, 1172945), (86110, 938356), (172220, 469178), (234589, 344440)]