40680064

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{389}}^1$

素因数の和:465

約数の個数: 64

約数和(自身を含む): 87516000

約数和(自身を除く): 46835936

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 43, 64, 76, 86, 128, 152, 172, 304, 344, 389, 608, 688, 778, 817, 1216, 1376, 1556, 1634, 2432, 2752, 3112, 3268, 5504, 6224, 6536, 7391, 12448, 13072, 14782, 16727, 24896, 26144, 29564, 33454, 49792, 52288, 59128, 66908, 104576, 118256, 133816, 236512, 267632, 317813, 473024, 535264, 635626, 946048, 1070528, 1271252, 2141056, 2542504, 5085008, 10170016, 20340032, 40680064]

約数ペア:

[(1, 40680064), (2, 20340032), (4, 10170016), (8, 5085008), (16, 2542504), (19, 2141056), (32, 1271252), (38, 1070528), (43, 946048), (64, 635626), (76, 535264), (86, 473024), (128, 317813), (152, 267632), (172, 236512), (304, 133816), (344, 118256), (389, 104576), (608, 66908), (688, 59128), (778, 52288), (817, 49792), (1216, 33454), (1376, 29564), (1556, 26144), (1634, 24896), (2432, 16727), (2752, 14782), (3112, 13072), (3268, 12448), (5504, 7391), (6224, 6536)]