15691138280

素因数分解:

$2^3\times 5^1\times {\mathrm{1373}}^1\times {\mathrm{285709}}^1$

素因数の和:287093

約数の個数: 32

約数和(自身を含む): 35330898600

約数和(自身を除く): 19639760320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1373, 2746, 5492, 6865, 10984, 13730, 27460, 54920, 285709, 571418, 1142836, 1428545, 2285672, 2857090, 5714180, 11428360, 392278457, 784556914, 1569113828, 1961392285, 3138227656, 3922784570, 7845569140, 15691138280]

約数ペア:

[(1, 15691138280), (2, 7845569140), (4, 3922784570), (5, 3138227656), (8, 1961392285), (10, 1569113828), (20, 784556914), (40, 392278457), (1373, 11428360), (2746, 5714180), (5492, 2857090), (6865, 2285672), (10984, 1428545), (13730, 1142836), (27460, 571418), (54920, 285709)]