71820880

素因数分解:

$2^4\times 5^1\times {\mathrm{137}}^1\times {\mathrm{6553}}^1$

素因数の和:6703

約数の個数: 40

約数和(自身を含む): 168228072

約数和(自身を除く): 96407192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 137, 274, 548, 685, 1096, 1370, 2192, 2740, 5480, 6553, 10960, 13106, 26212, 32765, 52424, 65530, 104848, 131060, 262120, 524240, 897761, 1795522, 3591044, 4488805, 7182088, 8977610, 14364176, 17955220, 35910440, 71820880]

約数ペア:

[(1, 71820880), (2, 35910440), (4, 17955220), (5, 14364176), (8, 8977610), (10, 7182088), (16, 4488805), (20, 3591044), (40, 1795522), (80, 897761), (137, 524240), (274, 262120), (548, 131060), (685, 104848), (1096, 65530), (1370, 52424), (2192, 32765), (2740, 26212), (5480, 13106), (6553, 10960)]