40440320

素因数分解:

$2^9\times 5^1\times {\mathrm{15797}}^1$

素因数の和:15820

約数の個数: 40

約数和(自身を含む): 96968124

約数和(自身を除く): 56527804

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 15797, 31594, 63188, 78985, 126376, 157970, 252752, 315940, 505504, 631880, 1011008, 1263760, 2022016, 2527520, 4044032, 5055040, 8088064, 10110080, 20220160, 40440320]

約数ペア:

[(1, 40440320), (2, 20220160), (4, 10110080), (5, 8088064), (8, 5055040), (10, 4044032), (16, 2527520), (20, 2022016), (32, 1263760), (40, 1011008), (64, 631880), (80, 505504), (128, 315940), (160, 252752), (256, 157970), (320, 126376), (512, 78985), (640, 63188), (1280, 31594), (2560, 15797)]