18438080

素因数分解:

$2^6\times 5^1\times {\mathrm{157}}^1\times {\mathrm{367}}^1$

素因数の和:541

約数の個数: 56

約数和(自身を含む): 44305728

約数和(自身を除く): 25867648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 157, 160, 314, 320, 367, 628, 734, 785, 1256, 1468, 1570, 1835, 2512, 2936, 3140, 3670, 5024, 5872, 6280, 7340, 10048, 11744, 12560, 14680, 23488, 25120, 29360, 50240, 57619, 58720, 115238, 117440, 230476, 288095, 460952, 576190, 921904, 1152380, 1843808, 2304760, 3687616, 4609520, 9219040, 18438080]

約数ペア:

[(1, 18438080), (2, 9219040), (4, 4609520), (5, 3687616), (8, 2304760), (10, 1843808), (16, 1152380), (20, 921904), (32, 576190), (40, 460952), (64, 288095), (80, 230476), (157, 117440), (160, 115238), (314, 58720), (320, 57619), (367, 50240), (628, 29360), (734, 25120), (785, 23488), (1256, 14680), (1468, 12560), (1570, 11744), (1835, 10048), (2512, 7340), (2936, 6280), (3140, 5872), (3670, 5024)]