804547720

素因数分解:

$2^3\times 5^1\times {\mathrm{179}}^1\times {\mathrm{313}}^1\times {\mathrm{359}}^1$

素因数の和:862

約数の個数: 64

約数和(自身を含む): 1831248000

約数和(自身を除く): 1026700280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 179, 313, 358, 359, 626, 716, 718, 895, 1252, 1432, 1436, 1565, 1790, 1795, 2504, 2872, 3130, 3580, 3590, 6260, 7160, 7180, 12520, 14360, 56027, 64261, 112054, 112367, 128522, 224108, 224734, 257044, 280135, 321305, 448216, 449468, 514088, 560270, 561835, 642610, 898936, 1120540, 1123670, 1285220, 2241080, 2247340, 2570440, 4494680, 20113693, 40227386, 80454772, 100568465, 160909544, 201136930, 402273860, 804547720]

約数ペア:

[(1, 804547720), (2, 402273860), (4, 201136930), (5, 160909544), (8, 100568465), (10, 80454772), (20, 40227386), (40, 20113693), (179, 4494680), (313, 2570440), (358, 2247340), (359, 2241080), (626, 1285220), (716, 1123670), (718, 1120540), (895, 898936), (1252, 642610), (1432, 561835), (1436, 560270), (1565, 514088), (1790, 449468), (1795, 448216), (2504, 321305), (2872, 280135), (3130, 257044), (3580, 224734), (3590, 224108), (6260, 128522), (7160, 112367), (7180, 112054), (12520, 64261), (14360, 56027)]