25563440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{239}}^1$

素因数の和:450

約数の個数: 80

約数和(自身を含む): 68567040

約数和(自身を除く): 43003600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 191, 239, 280, 382, 478, 560, 764, 955, 956, 1195, 1337, 1528, 1673, 1910, 1912, 2390, 2674, 3056, 3346, 3820, 3824, 4780, 5348, 6685, 6692, 7640, 8365, 9560, 10696, 13370, 13384, 15280, 16730, 19120, 21392, 26740, 26768, 33460, 45649, 53480, 66920, 91298, 106960, 133840, 182596, 228245, 319543, 365192, 456490, 639086, 730384, 912980, 1278172, 1597715, 1825960, 2556344, 3195430, 3651920, 5112688, 6390860, 12781720, 25563440]

約数ペア:

[(1, 25563440), (2, 12781720), (4, 6390860), (5, 5112688), (7, 3651920), (8, 3195430), (10, 2556344), (14, 1825960), (16, 1597715), (20, 1278172), (28, 912980), (35, 730384), (40, 639086), (56, 456490), (70, 365192), (80, 319543), (112, 228245), (140, 182596), (191, 133840), (239, 106960), (280, 91298), (382, 66920), (478, 53480), (560, 45649), (764, 33460), (955, 26768), (956, 26740), (1195, 21392), (1337, 19120), (1528, 16730), (1673, 15280), (1910, 13384), (1912, 13370), (2390, 10696), (2674, 9560), (3056, 8365), (3346, 7640), (3820, 6692), (3824, 6685), (4780, 5348)]