12988300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1$

素因数の和:227

約数の個数: 72

約数和(自身を含む): 30963296

約数和(自身を除く): 17974996

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 97, 100, 103, 130, 194, 206, 260, 325, 388, 412, 485, 515, 650, 970, 1030, 1261, 1300, 1339, 1940, 2060, 2425, 2522, 2575, 2678, 4850, 5044, 5150, 5356, 6305, 6695, 9700, 9991, 10300, 12610, 13390, 19982, 25220, 26780, 31525, 33475, 39964, 49955, 63050, 66950, 99910, 126100, 129883, 133900, 199820, 249775, 259766, 499550, 519532, 649415, 999100, 1298830, 2597660, 3247075, 6494150, 12988300]

約数ペア:

[(1, 12988300), (2, 6494150), (4, 3247075), (5, 2597660), (10, 1298830), (13, 999100), (20, 649415), (25, 519532), (26, 499550), (50, 259766), (52, 249775), (65, 199820), (97, 133900), (100, 129883), (103, 126100), (130, 99910), (194, 66950), (206, 63050), (260, 49955), (325, 39964), (388, 33475), (412, 31525), (485, 26780), (515, 25220), (650, 19982), (970, 13390), (1030, 12610), (1261, 10300), (1300, 9991), (1339, 9700), (1940, 6695), (2060, 6305), (2425, 5356), (2522, 5150), (2575, 5044), (2678, 4850)]