25405136

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{199}}^1$

素因数の和:387

約数の個数: 40

約数和(自身を含む): 50592000

約数和(自身を除く): 25186864

約数列:

[1, 2, 4, 8, 16, 79, 101, 158, 199, 202, 316, 398, 404, 632, 796, 808, 1264, 1592, 1616, 3184, 7979, 15721, 15958, 20099, 31442, 31916, 40198, 62884, 63832, 80396, 125768, 127664, 160792, 251536, 321584, 1587821, 3175642, 6351284, 12702568, 25405136]

約数ペア:

[(1, 25405136), (2, 12702568), (4, 6351284), (8, 3175642), (16, 1587821), (79, 321584), (101, 251536), (158, 160792), (199, 127664), (202, 125768), (316, 80396), (398, 63832), (404, 62884), (632, 40198), (796, 31916), (808, 31442), (1264, 20099), (1592, 15958), (1616, 15721), (3184, 7979)]