51505480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2677}}^1$

素因数の和:2738

約数の個数: 64

約数和(自身を含む): 128222640

約数和(自身を除く): 76717160

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 37, 40, 52, 65, 74, 104, 130, 148, 185, 260, 296, 370, 481, 520, 740, 962, 1480, 1924, 2405, 2677, 3848, 4810, 5354, 9620, 10708, 13385, 19240, 21416, 26770, 34801, 53540, 69602, 99049, 107080, 139204, 174005, 198098, 278408, 348010, 396196, 495245, 696020, 792392, 990490, 1287637, 1392040, 1980980, 2575274, 3961960, 5150548, 6438185, 10301096, 12876370, 25752740, 51505480]

約数ペア:

[(1, 51505480), (2, 25752740), (4, 12876370), (5, 10301096), (8, 6438185), (10, 5150548), (13, 3961960), (20, 2575274), (26, 1980980), (37, 1392040), (40, 1287637), (52, 990490), (65, 792392), (74, 696020), (104, 495245), (130, 396196), (148, 348010), (185, 278408), (260, 198098), (296, 174005), (370, 139204), (481, 107080), (520, 99049), (740, 69602), (962, 53540), (1480, 34801), (1924, 26770), (2405, 21416), (2677, 19240), (3848, 13385), (4810, 10708), (5354, 9620)]