40006540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{40823}}^1$

素因数の和:40846

約数の個数: 36

約数和(自身を含む): 97732656

約数和(自身を除く): 57726116

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 40823, 81646, 163292, 204115, 285761, 408230, 571522, 816460, 1143044, 1428805, 2000327, 2857610, 4000654, 5715220, 8001308, 10001635, 20003270, 40006540]

約数ペア:

[(1, 40006540), (2, 20003270), (4, 10001635), (5, 8001308), (7, 5715220), (10, 4000654), (14, 2857610), (20, 2000327), (28, 1428805), (35, 1143044), (49, 816460), (70, 571522), (98, 408230), (140, 285761), (196, 204115), (245, 163292), (490, 81646), (980, 40823)]