31004240

素因数分解:

$2^4\times 5^1\times {\mathrm{599}}^1\times {\mathrm{647}}^1$

素因数の和:1259

約数の個数: 40

約数和(自身を含む): 72316800

約数和(自身を除く): 41312560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 599, 647, 1198, 1294, 2396, 2588, 2995, 3235, 4792, 5176, 5990, 6470, 9584, 10352, 11980, 12940, 23960, 25880, 47920, 51760, 387553, 775106, 1550212, 1937765, 3100424, 3875530, 6200848, 7751060, 15502120, 31004240]

約数ペア:

[(1, 31004240), (2, 15502120), (4, 7751060), (5, 6200848), (8, 3875530), (10, 3100424), (16, 1937765), (20, 1550212), (40, 775106), (80, 387553), (599, 51760), (647, 47920), (1198, 25880), (1294, 23960), (2396, 12940), (2588, 11980), (2995, 10352), (3235, 9584), (4792, 6470), (5176, 5990)]