156612640

素因数分解:

$2^5\times 5^1\times {\mathrm{211}}^1\times {\mathrm{4639}}^1$

素因数の和:4865

約数の個数: 48

約数和(自身を含む): 371831040

約数和(自身を除く): 215218400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 211, 422, 844, 1055, 1688, 2110, 3376, 4220, 4639, 6752, 8440, 9278, 16880, 18556, 23195, 33760, 37112, 46390, 74224, 92780, 148448, 185560, 371120, 742240, 978829, 1957658, 3915316, 4894145, 7830632, 9788290, 15661264, 19576580, 31322528, 39153160, 78306320, 156612640]

約数ペア:

[(1, 156612640), (2, 78306320), (4, 39153160), (5, 31322528), (8, 19576580), (10, 15661264), (16, 9788290), (20, 7830632), (32, 4894145), (40, 3915316), (80, 1957658), (160, 978829), (211, 742240), (422, 371120), (844, 185560), (1055, 148448), (1688, 92780), (2110, 74224), (3376, 46390), (4220, 37112), (4639, 33760), (6752, 23195), (8440, 18556), (9278, 16880)]