71009920

素因数分解:

$2^7\times 5^1\times {\mathrm{181}}^1\times {\mathrm{613}}^1$

素因数の和:813

約数の個数: 64

約数和(自身を含む): 170974440

約数和(自身を除く): 99964520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 181, 320, 362, 613, 640, 724, 905, 1226, 1448, 1810, 2452, 2896, 3065, 3620, 4904, 5792, 6130, 7240, 9808, 11584, 12260, 14480, 19616, 23168, 24520, 28960, 39232, 49040, 57920, 78464, 98080, 110953, 115840, 196160, 221906, 392320, 443812, 554765, 887624, 1109530, 1775248, 2219060, 3550496, 4438120, 7100992, 8876240, 14201984, 17752480, 35504960, 71009920]

約数ペア:

[(1, 71009920), (2, 35504960), (4, 17752480), (5, 14201984), (8, 8876240), (10, 7100992), (16, 4438120), (20, 3550496), (32, 2219060), (40, 1775248), (64, 1109530), (80, 887624), (128, 554765), (160, 443812), (181, 392320), (320, 221906), (362, 196160), (613, 115840), (640, 110953), (724, 98080), (905, 78464), (1226, 57920), (1448, 49040), (1810, 39232), (2452, 28960), (2896, 24520), (3065, 23168), (3620, 19616), (4904, 14480), (5792, 12260), (6130, 11584), (7240, 9808)]