40280416

素因数分解:

$2^5\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{103}}^1$

素因数の和:236

約数の個数: 72

約数和(自身を含む): 88884432

約数和(自身を除く): 48604016

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 101, 103, 121, 176, 202, 206, 242, 352, 404, 412, 484, 808, 824, 968, 1111, 1133, 1616, 1648, 1936, 2222, 2266, 3232, 3296, 3872, 4444, 4532, 8888, 9064, 10403, 12221, 12463, 17776, 18128, 20806, 24442, 24926, 35552, 36256, 41612, 48884, 49852, 83224, 97768, 99704, 114433, 166448, 195536, 199408, 228866, 332896, 391072, 398816, 457732, 915464, 1258763, 1830928, 2517526, 3661856, 5035052, 10070104, 20140208, 40280416]

約数ペア:

[(1, 40280416), (2, 20140208), (4, 10070104), (8, 5035052), (11, 3661856), (16, 2517526), (22, 1830928), (32, 1258763), (44, 915464), (88, 457732), (101, 398816), (103, 391072), (121, 332896), (176, 228866), (202, 199408), (206, 195536), (242, 166448), (352, 114433), (404, 99704), (412, 97768), (484, 83224), (808, 49852), (824, 48884), (968, 41612), (1111, 36256), (1133, 35552), (1616, 24926), (1648, 24442), (1936, 20806), (2222, 18128), (2266, 17776), (3232, 12463), (3296, 12221), (3872, 10403), (4444, 9064), (4532, 8888)]