40691888

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{157}}^1\times {\mathrm{167}}^1$

素因数の和:429

約数の個数: 40

約数和(自身を含む): 80640672

約数和(自身を除く): 39948784

約数列:

[1, 2, 4, 8, 16, 97, 157, 167, 194, 314, 334, 388, 628, 668, 776, 1256, 1336, 1552, 2512, 2672, 15229, 16199, 26219, 30458, 32398, 52438, 60916, 64796, 104876, 121832, 129592, 209752, 243664, 259184, 419504, 2543243, 5086486, 10172972, 20345944, 40691888]

約数ペア:

[(1, 40691888), (2, 20345944), (4, 10172972), (8, 5086486), (16, 2543243), (97, 419504), (157, 259184), (167, 243664), (194, 209752), (314, 129592), (334, 121832), (388, 104876), (628, 64796), (668, 60916), (776, 52438), (1256, 32398), (1336, 30458), (1552, 26219), (2512, 16199), (2672, 15229)]