16988560

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{2909}}^1$

素因数の和:2995

約数の個数: 40

約数和(自身を含む): 40053240

約数和(自身を除く): 23064680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 1168, 1460, 2909, 2920, 5818, 5840, 11636, 14545, 23272, 29090, 46544, 58180, 116360, 212357, 232720, 424714, 849428, 1061785, 1698856, 2123570, 3397712, 4247140, 8494280, 16988560]

約数ペア:

[(1, 16988560), (2, 8494280), (4, 4247140), (5, 3397712), (8, 2123570), (10, 1698856), (16, 1061785), (20, 849428), (40, 424714), (73, 232720), (80, 212357), (146, 116360), (292, 58180), (365, 46544), (584, 29090), (730, 23272), (1168, 14545), (1460, 11636), (2909, 5840), (2920, 5818)]