25111040

素因数分解:

$2^9\times 5^1\times {\mathrm{17}}^1\times {\mathrm{577}}^1$

素因数の和:617

約数の個数: 80

約数和(自身を含む): 63859752

約数和(自身を除く): 38748712

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 512, 544, 577, 640, 680, 1088, 1154, 1280, 1360, 2176, 2308, 2560, 2720, 2885, 4352, 4616, 5440, 5770, 8704, 9232, 9809, 10880, 11540, 18464, 19618, 21760, 23080, 36928, 39236, 43520, 46160, 49045, 73856, 78472, 92320, 98090, 147712, 156944, 184640, 196180, 295424, 313888, 369280, 392360, 627776, 738560, 784720, 1255552, 1477120, 1569440, 2511104, 3138880, 5022208, 6277760, 12555520, 25111040]

約数ペア:

[(1, 25111040), (2, 12555520), (4, 6277760), (5, 5022208), (8, 3138880), (10, 2511104), (16, 1569440), (17, 1477120), (20, 1255552), (32, 784720), (34, 738560), (40, 627776), (64, 392360), (68, 369280), (80, 313888), (85, 295424), (128, 196180), (136, 184640), (160, 156944), (170, 147712), (256, 98090), (272, 92320), (320, 78472), (340, 73856), (512, 49045), (544, 46160), (577, 43520), (640, 39236), (680, 36928), (1088, 23080), (1154, 21760), (1280, 19618), (1360, 18464), (2176, 11540), (2308, 10880), (2560, 9809), (2720, 9232), (2885, 8704), (4352, 5770), (4616, 5440)]