40081328

素因数分解:

$2^4\times 7^1\times {\mathrm{89}}^1\times {\mathrm{4021}}^1$

素因数の和:4125

約数の個数: 40

約数和(自身を含む): 89771040

約数和(自身を除く): 49689712

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 89, 112, 178, 356, 623, 712, 1246, 1424, 2492, 4021, 4984, 8042, 9968, 16084, 28147, 32168, 56294, 64336, 112588, 225176, 357869, 450352, 715738, 1431476, 2505083, 2862952, 5010166, 5725904, 10020332, 20040664, 40081328]

約数ペア:

[(1, 40081328), (2, 20040664), (4, 10020332), (7, 5725904), (8, 5010166), (14, 2862952), (16, 2505083), (28, 1431476), (56, 715738), (89, 450352), (112, 357869), (178, 225176), (356, 112588), (623, 64336), (712, 56294), (1246, 32168), (1424, 28147), (2492, 16084), (4021, 9968), (4984, 8042)]