12500800

素因数分解:

$2^6\times 5^2\times {\mathrm{13}}^1\times {\mathrm{601}}^1$

素因数の和:636

約数の個数: 84

約数和(自身を含む): 33181036

約数和(自身を除く): 20680236

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 130, 160, 200, 208, 260, 320, 325, 400, 416, 520, 601, 650, 800, 832, 1040, 1202, 1300, 1600, 2080, 2404, 2600, 3005, 4160, 4808, 5200, 6010, 7813, 9616, 10400, 12020, 15025, 15626, 19232, 20800, 24040, 30050, 31252, 38464, 39065, 48080, 60100, 62504, 78130, 96160, 120200, 125008, 156260, 192320, 195325, 240400, 250016, 312520, 390650, 480800, 500032, 625040, 781300, 961600, 1250080, 1562600, 2500160, 3125200, 6250400, 12500800]

約数ペア:

[(1, 12500800), (2, 6250400), (4, 3125200), (5, 2500160), (8, 1562600), (10, 1250080), (13, 961600), (16, 781300), (20, 625040), (25, 500032), (26, 480800), (32, 390650), (40, 312520), (50, 250016), (52, 240400), (64, 195325), (65, 192320), (80, 156260), (100, 125008), (104, 120200), (130, 96160), (160, 78130), (200, 62504), (208, 60100), (260, 48080), (320, 39065), (325, 38464), (400, 31252), (416, 30050), (520, 24040), (601, 20800), (650, 19232), (800, 15626), (832, 15025), (1040, 12020), (1202, 10400), (1300, 9616), (1600, 7813), (2080, 6010), (2404, 5200), (2600, 4808), (3005, 4160)]