28312640

素因数分解:

$2^6\times 5^1\times {\mathrm{103}}^1\times {\mathrm{859}}^1$

素因数の和:979

約数の個数: 56

約数和(自身を含む): 68153280

約数和(自身を除く): 39840640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 103, 160, 206, 320, 412, 515, 824, 859, 1030, 1648, 1718, 2060, 3296, 3436, 4120, 4295, 6592, 6872, 8240, 8590, 13744, 16480, 17180, 27488, 32960, 34360, 54976, 68720, 88477, 137440, 176954, 274880, 353908, 442385, 707816, 884770, 1415632, 1769540, 2831264, 3539080, 5662528, 7078160, 14156320, 28312640]

約数ペア:

[(1, 28312640), (2, 14156320), (4, 7078160), (5, 5662528), (8, 3539080), (10, 2831264), (16, 1769540), (20, 1415632), (32, 884770), (40, 707816), (64, 442385), (80, 353908), (103, 274880), (160, 176954), (206, 137440), (320, 88477), (412, 68720), (515, 54976), (824, 34360), (859, 32960), (1030, 27488), (1648, 17180), (1718, 16480), (2060, 13744), (3296, 8590), (3436, 8240), (4120, 6872), (4295, 6592)]