8571006920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{571}}^1\times {\mathrm{53609}}^1$

素因数の和:54198

約数の個数: 64

約数和(自身を含む): 22078742400

約数和(自身を除く): 13507735480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 571, 1142, 2284, 2855, 3997, 4568, 5710, 7994, 11420, 15988, 19985, 22840, 31976, 39970, 53609, 79940, 107218, 159880, 214436, 268045, 375263, 428872, 536090, 750526, 1072180, 1501052, 1876315, 2144360, 3002104, 3752630, 7505260, 15010520, 30610739, 61221478, 122442956, 153053695, 214275173, 244885912, 306107390, 428550346, 612214780, 857100692, 1071375865, 1224429560, 1714201384, 2142751730, 4285503460, 8571006920]

約数ペア:

[(1, 8571006920), (2, 4285503460), (4, 2142751730), (5, 1714201384), (7, 1224429560), (8, 1071375865), (10, 857100692), (14, 612214780), (20, 428550346), (28, 306107390), (35, 244885912), (40, 214275173), (56, 153053695), (70, 122442956), (140, 61221478), (280, 30610739), (571, 15010520), (1142, 7505260), (2284, 3752630), (2855, 3002104), (3997, 2144360), (4568, 1876315), (5710, 1501052), (7994, 1072180), (11420, 750526), (15988, 536090), (19985, 428872), (22840, 375263), (31976, 268045), (39970, 214436), (53609, 159880), (79940, 107218)]