78465400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{293}}^1$

素因数の和:425

約数の個数: 96

約数和(自身を含む): 199049760

約数和(自身を除く): 120584360

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 103, 104, 130, 200, 206, 260, 293, 325, 412, 515, 520, 586, 650, 824, 1030, 1172, 1300, 1339, 1465, 2060, 2344, 2575, 2600, 2678, 2930, 3809, 4120, 5150, 5356, 5860, 6695, 7325, 7618, 10300, 10712, 11720, 13390, 14650, 15236, 19045, 20600, 26780, 29300, 30179, 30472, 33475, 38090, 53560, 58600, 60358, 66950, 76180, 95225, 120716, 133900, 150895, 152360, 190450, 241432, 267800, 301790, 380900, 392327, 603580, 754475, 761800, 784654, 1207160, 1508950, 1569308, 1961635, 3017900, 3138616, 3923270, 6035800, 7846540, 9808175, 15693080, 19616350, 39232700, 78465400]

約数ペア:

[(1, 78465400), (2, 39232700), (4, 19616350), (5, 15693080), (8, 9808175), (10, 7846540), (13, 6035800), (20, 3923270), (25, 3138616), (26, 3017900), (40, 1961635), (50, 1569308), (52, 1508950), (65, 1207160), (100, 784654), (103, 761800), (104, 754475), (130, 603580), (200, 392327), (206, 380900), (260, 301790), (293, 267800), (325, 241432), (412, 190450), (515, 152360), (520, 150895), (586, 133900), (650, 120716), (824, 95225), (1030, 76180), (1172, 66950), (1300, 60358), (1339, 58600), (1465, 53560), (2060, 38090), (2344, 33475), (2575, 30472), (2600, 30179), (2678, 29300), (2930, 26780), (3809, 20600), (4120, 19045), (5150, 15236), (5356, 14650), (5860, 13390), (6695, 11720), (7325, 10712), (7618, 10300)]