66816100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{499}}^1$

素因数の和:629

約数の個数: 72

約数和(自身を含む): 157976000

約数和(自身を除く): 91159900

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 103, 130, 206, 260, 325, 412, 499, 515, 650, 998, 1030, 1300, 1339, 1996, 2060, 2495, 2575, 2678, 4990, 5150, 5356, 6487, 6695, 9980, 10300, 12475, 12974, 13390, 24950, 25948, 26780, 32435, 33475, 49900, 51397, 64870, 66950, 102794, 129740, 133900, 162175, 205588, 256985, 324350, 513970, 648700, 668161, 1027940, 1284925, 1336322, 2569850, 2672644, 3340805, 5139700, 6681610, 13363220, 16704025, 33408050, 66816100]

約数ペア:

[(1, 66816100), (2, 33408050), (4, 16704025), (5, 13363220), (10, 6681610), (13, 5139700), (20, 3340805), (25, 2672644), (26, 2569850), (50, 1336322), (52, 1284925), (65, 1027940), (100, 668161), (103, 648700), (130, 513970), (206, 324350), (260, 256985), (325, 205588), (412, 162175), (499, 133900), (515, 129740), (650, 102794), (998, 66950), (1030, 64870), (1300, 51397), (1339, 49900), (1996, 33475), (2060, 32435), (2495, 26780), (2575, 25948), (2678, 24950), (4990, 13390), (5150, 12974), (5356, 12475), (6487, 10300), (6695, 9980)]