80215616

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1439}}^1$

素因数の和:1531

約数の個数: 56

約数和(自身を含む): 174101760

約数和(自身を除く): 93886144

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 67, 104, 134, 208, 268, 416, 536, 832, 871, 1072, 1439, 1742, 2144, 2878, 3484, 4288, 5756, 6968, 11512, 13936, 18707, 23024, 27872, 37414, 46048, 55744, 74828, 92096, 96413, 149656, 192826, 299312, 385652, 598624, 771304, 1197248, 1253369, 1542608, 2506738, 3085216, 5013476, 6170432, 10026952, 20053904, 40107808, 80215616]

約数ペア:

[(1, 80215616), (2, 40107808), (4, 20053904), (8, 10026952), (13, 6170432), (16, 5013476), (26, 3085216), (32, 2506738), (52, 1542608), (64, 1253369), (67, 1197248), (104, 771304), (134, 598624), (208, 385652), (268, 299312), (416, 192826), (536, 149656), (832, 96413), (871, 92096), (1072, 74828), (1439, 55744), (1742, 46048), (2144, 37414), (2878, 27872), (3484, 23024), (4288, 18707), (5756, 13936), (6968, 11512)]