40471040

素因数分解:

$2^9\times 5^1\times {\mathrm{15809}}^1$

素因数の和:15832

約数の個数: 40

約数和(自身を含む): 97041780

約数和(自身を除く): 56570740

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 15809, 31618, 63236, 79045, 126472, 158090, 252944, 316180, 505888, 632360, 1011776, 1264720, 2023552, 2529440, 4047104, 5058880, 8094208, 10117760, 20235520, 40471040]

約数ペア:

[(1, 40471040), (2, 20235520), (4, 10117760), (5, 8094208), (8, 5058880), (10, 4047104), (16, 2529440), (20, 2023552), (32, 1264720), (40, 1011776), (64, 632360), (80, 505888), (128, 316180), (160, 252944), (256, 158090), (320, 126472), (512, 79045), (640, 63236), (1280, 31618), (2560, 15809)]