40005308

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{223}}^1$

素因数の和:426

約数の個数: 48

約数和(自身を含む): 82790400

約数和(自身を除く): 42785092

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 149, 172, 223, 298, 301, 446, 596, 602, 892, 1043, 1204, 1561, 2086, 3122, 4172, 6244, 6407, 9589, 12814, 19178, 25628, 33227, 38356, 44849, 66454, 67123, 89698, 132908, 134246, 179396, 232589, 268492, 465178, 930356, 1428761, 2857522, 5715044, 10001327, 20002654, 40005308]

約数ペア:

[(1, 40005308), (2, 20002654), (4, 10001327), (7, 5715044), (14, 2857522), (28, 1428761), (43, 930356), (86, 465178), (149, 268492), (172, 232589), (223, 179396), (298, 134246), (301, 132908), (446, 89698), (596, 67123), (602, 66454), (892, 44849), (1043, 38356), (1204, 33227), (1561, 25628), (2086, 19178), (3122, 12814), (4172, 9589), (6244, 6407)]