87855920

素因数分解:

$2^4\times 5^1\times {\mathrm{419}}^1\times {\mathrm{2621}}^1$

素因数の和:3053

約数の個数: 40

約数和(自身を含む): 204830640

約数和(自身を除く): 116974720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 419, 838, 1676, 2095, 2621, 3352, 4190, 5242, 6704, 8380, 10484, 13105, 16760, 20968, 26210, 33520, 41936, 52420, 104840, 209680, 1098199, 2196398, 4392796, 5490995, 8785592, 10981990, 17571184, 21963980, 43927960, 87855920]

約数ペア:

[(1, 87855920), (2, 43927960), (4, 21963980), (5, 17571184), (8, 10981990), (10, 8785592), (16, 5490995), (20, 4392796), (40, 2196398), (80, 1098199), (419, 209680), (838, 104840), (1676, 52420), (2095, 41936), (2621, 33520), (3352, 26210), (4190, 20968), (5242, 16760), (6704, 13105), (8380, 10484)]