28102720

素因数分解:

$2^6\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1657}}^1$

素因数の和:1727

約数の個数: 56

約数和(自身を含む): 68223384

約数和(自身を除く): 40120664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 160, 212, 265, 320, 424, 530, 848, 1060, 1657, 1696, 2120, 3314, 3392, 4240, 6628, 8285, 8480, 13256, 16570, 16960, 26512, 33140, 53024, 66280, 87821, 106048, 132560, 175642, 265120, 351284, 439105, 530240, 702568, 878210, 1405136, 1756420, 2810272, 3512840, 5620544, 7025680, 14051360, 28102720]

約数ペア:

[(1, 28102720), (2, 14051360), (4, 7025680), (5, 5620544), (8, 3512840), (10, 2810272), (16, 1756420), (20, 1405136), (32, 878210), (40, 702568), (53, 530240), (64, 439105), (80, 351284), (106, 265120), (160, 175642), (212, 132560), (265, 106048), (320, 87821), (424, 66280), (530, 53024), (848, 33140), (1060, 26512), (1657, 16960), (1696, 16570), (2120, 13256), (3314, 8480), (3392, 8285), (4240, 6628)]