89939890

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{383}}^1\times {\mathrm{1021}}^1$

素因数の和:1434

約数の個数: 32

約数和(自身を含む): 169537536

約数和(自身を除く): 79597646

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 383, 766, 1021, 1915, 2042, 3830, 5105, 8809, 10210, 17618, 23483, 44045, 46966, 88090, 117415, 234830, 391043, 782086, 1955215, 3910430, 8993989, 17987978, 44969945, 89939890]

約数ペア:

[(1, 89939890), (2, 44969945), (5, 17987978), (10, 8993989), (23, 3910430), (46, 1955215), (115, 782086), (230, 391043), (383, 234830), (766, 117415), (1021, 88090), (1915, 46966), (2042, 44045), (3830, 23483), (5105, 17618), (8809, 10210)]