40397968

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{1163}}^1$

素因数の和:1351

約数の個数: 40

約数和(自身を含む): 84869568

約数和(自身を除く): 44471600

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 167, 208, 334, 668, 1163, 1336, 2171, 2326, 2672, 4342, 4652, 8684, 9304, 15119, 17368, 18608, 30238, 34736, 60476, 120952, 194221, 241904, 388442, 776884, 1553768, 2524873, 3107536, 5049746, 10099492, 20198984, 40397968]

約数ペア:

[(1, 40397968), (2, 20198984), (4, 10099492), (8, 5049746), (13, 3107536), (16, 2524873), (26, 1553768), (52, 776884), (104, 388442), (167, 241904), (208, 194221), (334, 120952), (668, 60476), (1163, 34736), (1336, 30238), (2171, 18608), (2326, 17368), (2672, 15119), (4342, 9304), (4652, 8684)]