40018028

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{271}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 77683200

約数和(自身を除く): 37665172

約数列:

[1, 2, 4, 19, 29, 38, 58, 67, 76, 116, 134, 268, 271, 542, 551, 1084, 1102, 1273, 1943, 2204, 2546, 3886, 5092, 5149, 7772, 7859, 10298, 15718, 18157, 20596, 31436, 36314, 36917, 72628, 73834, 147668, 149321, 298642, 344983, 526553, 597284, 689966, 1053106, 1379932, 2106212, 10004507, 20009014, 40018028]

約数ペア:

[(1, 40018028), (2, 20009014), (4, 10004507), (19, 2106212), (29, 1379932), (38, 1053106), (58, 689966), (67, 597284), (76, 526553), (116, 344983), (134, 298642), (268, 149321), (271, 147668), (542, 73834), (551, 72628), (1084, 36917), (1102, 36314), (1273, 31436), (1943, 20596), (2204, 18157), (2546, 15718), (3886, 10298), (5092, 7859), (5149, 7772)]