28198720

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{8011}}^1$

素因数の和:8039

約数の個数: 56

約数和(自身を含む): 73261728

約数和(自身を除く): 45063008

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 160, 176, 220, 320, 352, 440, 704, 880, 1760, 3520, 8011, 16022, 32044, 40055, 64088, 80110, 88121, 128176, 160220, 176242, 256352, 320440, 352484, 440605, 512704, 640880, 704968, 881210, 1281760, 1409936, 1762420, 2563520, 2819872, 3524840, 5639744, 7049680, 14099360, 28198720]

約数ペア:

[(1, 28198720), (2, 14099360), (4, 7049680), (5, 5639744), (8, 3524840), (10, 2819872), (11, 2563520), (16, 1762420), (20, 1409936), (22, 1281760), (32, 881210), (40, 704968), (44, 640880), (55, 512704), (64, 440605), (80, 352484), (88, 320440), (110, 256352), (160, 176242), (176, 160220), (220, 128176), (320, 88121), (352, 80110), (440, 64088), (704, 40055), (880, 32044), (1760, 16022), (3520, 8011)]