81187872

素因数分解:

$2^5\times 3^1\times {\mathrm{41}}^1\times {\mathrm{20627}}^1$

素因数の和:20681

約数の個数: 48

約数和(自身を含む): 218326752

約数和(自身を除く): 137138880

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 41, 48, 82, 96, 123, 164, 246, 328, 492, 656, 984, 1312, 1968, 3936, 20627, 41254, 61881, 82508, 123762, 165016, 247524, 330032, 495048, 660064, 845707, 990096, 1691414, 1980192, 2537121, 3382828, 5074242, 6765656, 10148484, 13531312, 20296968, 27062624, 40593936, 81187872]

約数ペア:

[(1, 81187872), (2, 40593936), (3, 27062624), (4, 20296968), (6, 13531312), (8, 10148484), (12, 6765656), (16, 5074242), (24, 3382828), (32, 2537121), (41, 1980192), (48, 1691414), (82, 990096), (96, 845707), (123, 660064), (164, 495048), (246, 330032), (328, 247524), (492, 165016), (656, 123762), (984, 82508), (1312, 61881), (1968, 41254), (3936, 20627)]