23507240

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1$

素因数の和:306

約数の個数: 64

約数和(自身を含む): 55123200

約数和(自身を除く): 31615960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 79, 86, 158, 172, 173, 215, 316, 344, 346, 395, 430, 632, 692, 790, 860, 865, 1384, 1580, 1720, 1730, 3160, 3397, 3460, 6794, 6920, 7439, 13588, 13667, 14878, 16985, 27176, 27334, 29756, 33970, 37195, 54668, 59512, 67940, 68335, 74390, 109336, 135880, 136670, 148780, 273340, 297560, 546680, 587681, 1175362, 2350724, 2938405, 4701448, 5876810, 11753620, 23507240]

約数ペア:

[(1, 23507240), (2, 11753620), (4, 5876810), (5, 4701448), (8, 2938405), (10, 2350724), (20, 1175362), (40, 587681), (43, 546680), (79, 297560), (86, 273340), (158, 148780), (172, 136670), (173, 135880), (215, 109336), (316, 74390), (344, 68335), (346, 67940), (395, 59512), (430, 54668), (632, 37195), (692, 33970), (790, 29756), (860, 27334), (865, 27176), (1384, 16985), (1580, 14878), (1720, 13667), (1730, 13588), (3160, 7439), (3397, 6920), (3460, 6794)]