42254720

素因数分解:

$2^7\times 5^1\times {\mathrm{103}}^1\times {\mathrm{641}}^1$

素因数の和:763

約数の個数: 64

約数和(自身を含む): 102155040

約数和(自身を除く): 59900320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 103, 128, 160, 206, 320, 412, 515, 640, 641, 824, 1030, 1282, 1648, 2060, 2564, 3205, 3296, 4120, 5128, 6410, 6592, 8240, 10256, 12820, 13184, 16480, 20512, 25640, 32960, 41024, 51280, 65920, 66023, 82048, 102560, 132046, 205120, 264092, 330115, 410240, 528184, 660230, 1056368, 1320460, 2112736, 2640920, 4225472, 5281840, 8450944, 10563680, 21127360, 42254720]

約数ペア:

[(1, 42254720), (2, 21127360), (4, 10563680), (5, 8450944), (8, 5281840), (10, 4225472), (16, 2640920), (20, 2112736), (32, 1320460), (40, 1056368), (64, 660230), (80, 528184), (103, 410240), (128, 330115), (160, 264092), (206, 205120), (320, 132046), (412, 102560), (515, 82048), (640, 66023), (641, 65920), (824, 51280), (1030, 41024), (1282, 32960), (1648, 25640), (2060, 20512), (2564, 16480), (3205, 13184), (3296, 12820), (4120, 10256), (5128, 8240), (6410, 6592)]