71920880

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{52883}}^1$

素因数の和:52913

約数の個数: 40

約数和(自身を含む): 177055632

約数和(自身を除く): 105134752

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 52883, 105766, 211532, 264415, 423064, 528830, 846128, 899011, 1057660, 1798022, 2115320, 3596044, 4230640, 4495055, 7192088, 8990110, 14384176, 17980220, 35960440, 71920880]

約数ペア:

[(1, 71920880), (2, 35960440), (4, 17980220), (5, 14384176), (8, 8990110), (10, 7192088), (16, 4495055), (17, 4230640), (20, 3596044), (34, 2115320), (40, 1798022), (68, 1057660), (80, 899011), (85, 846128), (136, 528830), (170, 423064), (272, 264415), (340, 211532), (680, 105766), (1360, 52883)]