26399940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{263}}^1$

素因数の和:521

約数の個数: 96

約数和(自身を含む): 85155840

約数和(自身を除く): 58755900

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 239, 263, 420, 478, 526, 717, 789, 956, 1052, 1195, 1315, 1434, 1578, 1673, 1841, 2390, 2630, 2868, 3156, 3346, 3585, 3682, 3945, 4780, 5019, 5260, 5523, 6692, 7170, 7364, 7890, 8365, 9205, 10038, 11046, 14340, 15780, 16730, 18410, 20076, 22092, 25095, 27615, 33460, 36820, 50190, 55230, 62857, 100380, 110460, 125714, 188571, 251428, 314285, 377142, 439999, 628570, 754284, 879998, 942855, 1257140, 1319997, 1759996, 1885710, 2199995, 2639994, 3771420, 4399990, 5279988, 6599985, 8799980, 13199970, 26399940]

約数ペア:

[(1, 26399940), (2, 13199970), (3, 8799980), (4, 6599985), (5, 5279988), (6, 4399990), (7, 3771420), (10, 2639994), (12, 2199995), (14, 1885710), (15, 1759996), (20, 1319997), (21, 1257140), (28, 942855), (30, 879998), (35, 754284), (42, 628570), (60, 439999), (70, 377142), (84, 314285), (105, 251428), (140, 188571), (210, 125714), (239, 110460), (263, 100380), (420, 62857), (478, 55230), (526, 50190), (717, 36820), (789, 33460), (956, 27615), (1052, 25095), (1195, 22092), (1315, 20076), (1434, 18410), (1578, 16730), (1673, 15780), (1841, 14340), (2390, 11046), (2630, 10038), (2868, 9205), (3156, 8365), (3346, 7890), (3585, 7364), (3682, 7170), (3945, 6692), (4780, 5523), (5019, 5260)]