40491724

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{199}}^1$

素因数の和:279

約数の個数: 72

約数和(自身を含む): 90182400

約数和(自身を除く): 49690676

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 43, 52, 86, 91, 169, 172, 182, 199, 301, 338, 364, 398, 559, 602, 676, 796, 1118, 1183, 1204, 1393, 2236, 2366, 2587, 2786, 3913, 4732, 5174, 5572, 7267, 7826, 8557, 10348, 14534, 15652, 17114, 18109, 29068, 33631, 34228, 36218, 50869, 59899, 67262, 72436, 101738, 111241, 119798, 134524, 203476, 222482, 235417, 239596, 444964, 470834, 778687, 941668, 1446133, 1557374, 2892266, 3114748, 5784532, 10122931, 20245862, 40491724]

約数ペア:

[(1, 40491724), (2, 20245862), (4, 10122931), (7, 5784532), (13, 3114748), (14, 2892266), (26, 1557374), (28, 1446133), (43, 941668), (52, 778687), (86, 470834), (91, 444964), (169, 239596), (172, 235417), (182, 222482), (199, 203476), (301, 134524), (338, 119798), (364, 111241), (398, 101738), (559, 72436), (602, 67262), (676, 59899), (796, 50869), (1118, 36218), (1183, 34228), (1204, 33631), (1393, 29068), (2236, 18109), (2366, 17114), (2587, 15652), (2786, 14534), (3913, 10348), (4732, 8557), (5174, 7826), (5572, 7267)]