10000640

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{601}}^1$

素因数の和:635

約数の個数: 72

約数和(自身を含む): 25840248

約数和(自身を除く): 15839608

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 601, 640, 832, 1040, 1202, 1280, 1664, 2080, 2404, 3005, 3328, 4160, 4808, 6010, 7813, 8320, 9616, 12020, 15626, 16640, 19232, 24040, 31252, 38464, 39065, 48080, 62504, 76928, 78130, 96160, 125008, 153856, 156260, 192320, 250016, 312520, 384640, 500032, 625040, 769280, 1000064, 1250080, 2000128, 2500160, 5000320, 10000640]

約数ペア:

[(1, 10000640), (2, 5000320), (4, 2500160), (5, 2000128), (8, 1250080), (10, 1000064), (13, 769280), (16, 625040), (20, 500032), (26, 384640), (32, 312520), (40, 250016), (52, 192320), (64, 156260), (65, 153856), (80, 125008), (104, 96160), (128, 78130), (130, 76928), (160, 62504), (208, 48080), (256, 39065), (260, 38464), (320, 31252), (416, 24040), (520, 19232), (601, 16640), (640, 15626), (832, 12020), (1040, 9616), (1202, 8320), (1280, 7813), (1664, 6010), (2080, 4808), (2404, 4160), (3005, 3328)]