40784672

素因数分解:

$2^5\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{619}}^1$

素因数の和:729

約数の個数: 48

約数和(自身を含む): 84369600

約数和(自身を除く): 43584928

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 71, 116, 142, 232, 284, 464, 568, 619, 928, 1136, 1238, 2059, 2272, 2476, 4118, 4952, 8236, 9904, 16472, 17951, 19808, 32944, 35902, 43949, 65888, 71804, 87898, 143608, 175796, 287216, 351592, 574432, 703184, 1274521, 1406368, 2549042, 5098084, 10196168, 20392336, 40784672]

約数ペア:

[(1, 40784672), (2, 20392336), (4, 10196168), (8, 5098084), (16, 2549042), (29, 1406368), (32, 1274521), (58, 703184), (71, 574432), (116, 351592), (142, 287216), (232, 175796), (284, 143608), (464, 87898), (568, 71804), (619, 65888), (928, 43949), (1136, 35902), (1238, 32944), (2059, 19808), (2272, 17951), (2476, 16472), (4118, 9904), (4952, 8236)]