40506880

素因数分解:

$2^9\times 5^1\times {\mathrm{15823}}^1$

素因数の和:15846

約数の個数: 40

約数和(自身を含む): 97127712

約数和(自身を除く): 56620832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 15823, 31646, 63292, 79115, 126584, 158230, 253168, 316460, 506336, 632920, 1012672, 1265840, 2025344, 2531680, 4050688, 5063360, 8101376, 10126720, 20253440, 40506880]

約数ペア:

[(1, 40506880), (2, 20253440), (4, 10126720), (5, 8101376), (8, 5063360), (10, 4050688), (16, 2531680), (20, 2025344), (32, 1265840), (40, 1012672), (64, 632920), (80, 506336), (128, 316460), (160, 253168), (256, 158230), (320, 126584), (512, 79115), (640, 63292), (1280, 31646), (2560, 15823)]