12555520

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{577}}^1$

素因数の和:615

約数の個数: 72

約数和(自身を含む): 31898664

約数和(自身を除く): 19343144

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, 544, 577, 640, 680, 1088, 1154, 1280, 1360, 2176, 2308, 2720, 2885, 4352, 4616, 5440, 5770, 9232, 9809, 10880, 11540, 18464, 19618, 21760, 23080, 36928, 39236, 46160, 49045, 73856, 78472, 92320, 98090, 147712, 156944, 184640, 196180, 313888, 369280, 392360, 627776, 738560, 784720, 1255552, 1569440, 2511104, 3138880, 6277760, 12555520]

約数ペア:

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