653609680

素因数分解:

$2^4\times 5^1\times {\mathrm{1187}}^1\times {\mathrm{6883}}^1$

素因数の和:8083

約数の個数: 40

約数和(自身を含む): 1521143712

約数和(自身を除く): 867534032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1187, 2374, 4748, 5935, 6883, 9496, 11870, 13766, 18992, 23740, 27532, 34415, 47480, 55064, 68830, 94960, 110128, 137660, 275320, 550640, 8170121, 16340242, 32680484, 40850605, 65360968, 81701210, 130721936, 163402420, 326804840, 653609680]

約数ペア:

[(1, 653609680), (2, 326804840), (4, 163402420), (5, 130721936), (8, 81701210), (10, 65360968), (16, 40850605), (20, 32680484), (40, 16340242), (80, 8170121), (1187, 550640), (2374, 275320), (4748, 137660), (5935, 110128), (6883, 94960), (9496, 68830), (11870, 55064), (13766, 47480), (18992, 34415), (23740, 27532)]