161884160

素因数分解:

$2^{11}\times 5^1\times {\mathrm{15809}}^1$

素因数の和:15836

約数の個数: 48

約数和(自身を含む): 388451700

約数和(自身を除く): 226567540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2048, 2560, 5120, 10240, 15809, 31618, 63236, 79045, 126472, 158090, 252944, 316180, 505888, 632360, 1011776, 1264720, 2023552, 2529440, 4047104, 5058880, 8094208, 10117760, 16188416, 20235520, 32376832, 40471040, 80942080, 161884160]

約数ペア:

[(1, 161884160), (2, 80942080), (4, 40471040), (5, 32376832), (8, 20235520), (10, 16188416), (16, 10117760), (20, 8094208), (32, 5058880), (40, 4047104), (64, 2529440), (80, 2023552), (128, 1264720), (160, 1011776), (256, 632360), (320, 505888), (512, 316180), (640, 252944), (1024, 158090), (1280, 126472), (2048, 79045), (2560, 63236), (5120, 31618), (10240, 15809)]