38864240

素因数分解:

$2^4\times 5^1\times {\mathrm{167}}^1\times {\mathrm{2909}}^1$

素因数の和:3089

約数の個数: 40

約数和(自身を含む): 90931680

約数和(自身を除く): 52067440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 167, 334, 668, 835, 1336, 1670, 2672, 2909, 3340, 5818, 6680, 11636, 13360, 14545, 23272, 29090, 46544, 58180, 116360, 232720, 485803, 971606, 1943212, 2429015, 3886424, 4858030, 7772848, 9716060, 19432120, 38864240]

約数ペア:

[(1, 38864240), (2, 19432120), (4, 9716060), (5, 7772848), (8, 4858030), (10, 3886424), (16, 2429015), (20, 1943212), (40, 971606), (80, 485803), (167, 232720), (334, 116360), (668, 58180), (835, 46544), (1336, 29090), (1670, 23272), (2672, 14545), (2909, 13360), (3340, 11636), (5818, 6680)]