1252996880

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{198259}}^1$

素因数の和:198351

約数の個数: 40

約数和(自身を含む): 2950108800

約数和(自身を除く): 1697111920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 198259, 396518, 793036, 991295, 1586072, 1982590, 3172144, 3965180, 7930360, 15662461, 15860720, 31324922, 62649844, 78312305, 125299688, 156624610, 250599376, 313249220, 626498440, 1252996880]

約数ペア:

[(1, 1252996880), (2, 626498440), (4, 313249220), (5, 250599376), (8, 156624610), (10, 125299688), (16, 78312305), (20, 62649844), (40, 31324922), (79, 15860720), (80, 15662461), (158, 7930360), (316, 3965180), (395, 3172144), (632, 1982590), (790, 1586072), (1264, 991295), (1580, 793036), (3160, 396518), (6320, 198259)]