64550420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{12757}}^1$

素因数の和:12800

約数の個数: 48

約数和(自身を含む): 154320768

約数和(自身を除く): 89770348

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 253, 460, 506, 1012, 1265, 2530, 5060, 12757, 25514, 51028, 63785, 127570, 140327, 255140, 280654, 293411, 561308, 586822, 701635, 1173644, 1403270, 1467055, 2806540, 2934110, 3227521, 5868220, 6455042, 12910084, 16137605, 32275210, 64550420]

約数ペア:

[(1, 64550420), (2, 32275210), (4, 16137605), (5, 12910084), (10, 6455042), (11, 5868220), (20, 3227521), (22, 2934110), (23, 2806540), (44, 1467055), (46, 1403270), (55, 1173644), (92, 701635), (110, 586822), (115, 561308), (220, 293411), (230, 280654), (253, 255140), (460, 140327), (506, 127570), (1012, 63785), (1265, 51028), (2530, 25514), (5060, 12757)]