825661840

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{2383}}^1$

素因数の和:2528

約数の個数: 80

約数和(自身を含む): 1979444736

約数和(自身を除く): 1153782896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 71, 80, 122, 142, 244, 284, 305, 355, 488, 568, 610, 710, 976, 1136, 1220, 1420, 2383, 2440, 2840, 4331, 4766, 4880, 5680, 8662, 9532, 11915, 17324, 19064, 21655, 23830, 34648, 38128, 43310, 47660, 69296, 86620, 95320, 145363, 169193, 173240, 190640, 290726, 338386, 346480, 581452, 676772, 726815, 845965, 1162904, 1353544, 1453630, 1691930, 2325808, 2707088, 2907260, 3383860, 5814520, 6767720, 10320773, 11629040, 13535440, 20641546, 41283092, 51603865, 82566184, 103207730, 165132368, 206415460, 412830920, 825661840]

約数ペア:

[(1, 825661840), (2, 412830920), (4, 206415460), (5, 165132368), (8, 103207730), (10, 82566184), (16, 51603865), (20, 41283092), (40, 20641546), (61, 13535440), (71, 11629040), (80, 10320773), (122, 6767720), (142, 5814520), (244, 3383860), (284, 2907260), (305, 2707088), (355, 2325808), (488, 1691930), (568, 1453630), (610, 1353544), (710, 1162904), (976, 845965), (1136, 726815), (1220, 676772), (1420, 581452), (2383, 346480), (2440, 338386), (2840, 290726), (4331, 190640), (4766, 173240), (4880, 169193), (5680, 145363), (8662, 95320), (9532, 86620), (11915, 69296), (17324, 47660), (19064, 43310), (21655, 38128), (23830, 34648)]