89895980

素因数分解:

$2^2\times 5^1\times {\mathrm{1907}}^1\times {\mathrm{2357}}^1$

素因数の和:4273

約数の個数: 24

約数和(自身を含む): 188960688

約数和(自身を除く): 99064708

約数列:

[1, 2, 4, 5, 10, 20, 1907, 2357, 3814, 4714, 7628, 9428, 9535, 11785, 19070, 23570, 38140, 47140, 4494799, 8989598, 17979196, 22473995, 44947990, 89895980]

約数ペア:

[(1, 89895980), (2, 44947990), (4, 22473995), (5, 17979196), (10, 8989598), (20, 4494799), (1907, 47140), (2357, 38140), (3814, 23570), (4714, 19070), (7628, 11785), (9428, 9535)]