40465456

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{179}}^1\times {\mathrm{199}}^1$

素因数の和:457

約数の個数: 40

約数和(自身を含む): 80352000

約数和(自身を除く): 39886544

約数列:

[1, 2, 4, 8, 16, 71, 142, 179, 199, 284, 358, 398, 568, 716, 796, 1136, 1432, 1592, 2864, 3184, 12709, 14129, 25418, 28258, 35621, 50836, 56516, 71242, 101672, 113032, 142484, 203344, 226064, 284968, 569936, 2529091, 5058182, 10116364, 20232728, 40465456]

約数ペア:

[(1, 40465456), (2, 20232728), (4, 10116364), (8, 5058182), (16, 2529091), (71, 569936), (142, 284968), (179, 226064), (199, 203344), (284, 142484), (358, 113032), (398, 101672), (568, 71242), (716, 56516), (796, 50836), (1136, 35621), (1432, 28258), (1592, 25418), (2864, 14129), (3184, 12709)]