40908256

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{541}}^1$

素因数の和:707

約数の個数: 48

約数和(自身を含む): 86047920

約数和(自身を除く): 45139664

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 139, 272, 278, 541, 544, 556, 1082, 1112, 2164, 2224, 2363, 4328, 4448, 4726, 8656, 9197, 9452, 17312, 18394, 18904, 36788, 37808, 73576, 75199, 75616, 147152, 150398, 294304, 300796, 601592, 1203184, 1278383, 2406368, 2556766, 5113532, 10227064, 20454128, 40908256]

約数ペア:

[(1, 40908256), (2, 20454128), (4, 10227064), (8, 5113532), (16, 2556766), (17, 2406368), (32, 1278383), (34, 1203184), (68, 601592), (136, 300796), (139, 294304), (272, 150398), (278, 147152), (541, 75616), (544, 75199), (556, 73576), (1082, 37808), (1112, 36788), (2164, 18904), (2224, 18394), (2363, 17312), (4328, 9452), (4448, 9197), (4726, 8656)]