40670864

素因数分解:

$2^4\times {\mathrm{13}}^4\times {\mathrm{89}}^1$

素因数の和:149

約数の個数: 50

約数和(自身を含む): 86325390

約数和(自身を除く): 45654526

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 89, 104, 169, 178, 208, 338, 356, 676, 712, 1157, 1352, 1424, 2197, 2314, 2704, 4394, 4628, 8788, 9256, 15041, 17576, 18512, 28561, 30082, 35152, 57122, 60164, 114244, 120328, 195533, 228488, 240656, 391066, 456976, 782132, 1564264, 2541929, 3128528, 5083858, 10167716, 20335432, 40670864]

約数ペア:

[(1, 40670864), (2, 20335432), (4, 10167716), (8, 5083858), (13, 3128528), (16, 2541929), (26, 1564264), (52, 782132), (89, 456976), (104, 391066), (169, 240656), (178, 228488), (208, 195533), (338, 120328), (356, 114244), (676, 60164), (712, 57122), (1157, 35152), (1352, 30082), (1424, 28561), (2197, 18512), (2314, 17576), (2704, 15041), (4394, 9256), (4628, 8788)]