25001600

素因数分解:

$2^7\times 5^2\times {\mathrm{13}}^1\times {\mathrm{601}}^1$

素因数の和:638

約数の個数: 96

約数和(自身を含む): 66623340

約数和(自身を除く): 41621740

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 128, 130, 160, 200, 208, 260, 320, 325, 400, 416, 520, 601, 640, 650, 800, 832, 1040, 1202, 1300, 1600, 1664, 2080, 2404, 2600, 3005, 3200, 4160, 4808, 5200, 6010, 7813, 8320, 9616, 10400, 12020, 15025, 15626, 19232, 20800, 24040, 30050, 31252, 38464, 39065, 41600, 48080, 60100, 62504, 76928, 78130, 96160, 120200, 125008, 156260, 192320, 195325, 240400, 250016, 312520, 384640, 390650, 480800, 500032, 625040, 781300, 961600, 1000064, 1250080, 1562600, 1923200, 2500160, 3125200, 5000320, 6250400, 12500800, 25001600]

約数ペア:

[(1, 25001600), (2, 12500800), (4, 6250400), (5, 5000320), (8, 3125200), (10, 2500160), (13, 1923200), (16, 1562600), (20, 1250080), (25, 1000064), (26, 961600), (32, 781300), (40, 625040), (50, 500032), (52, 480800), (64, 390650), (65, 384640), (80, 312520), (100, 250016), (104, 240400), (128, 195325), (130, 192320), (160, 156260), (200, 125008), (208, 120200), (260, 96160), (320, 78130), (325, 76928), (400, 62504), (416, 60100), (520, 48080), (601, 41600), (640, 39065), (650, 38464), (800, 31252), (832, 30050), (1040, 24040), (1202, 20800), (1300, 19232), (1600, 15626), (1664, 15025), (2080, 12020), (2404, 10400), (2600, 9616), (3005, 8320), (3200, 7813), (4160, 6010), (4808, 5200)]