28891360

素因数分解:

$2^5\times 5^1\times {\mathrm{53}}^1\times {\mathrm{3407}}^1$

素因数の和:3475

約数の個数: 48

約数和(自身を含む): 69564096

約数和(自身を除く): 40672736

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 80, 106, 160, 212, 265, 424, 530, 848, 1060, 1696, 2120, 3407, 4240, 6814, 8480, 13628, 17035, 27256, 34070, 54512, 68140, 109024, 136280, 180571, 272560, 361142, 545120, 722284, 902855, 1444568, 1805710, 2889136, 3611420, 5778272, 7222840, 14445680, 28891360]

約数ペア:

[(1, 28891360), (2, 14445680), (4, 7222840), (5, 5778272), (8, 3611420), (10, 2889136), (16, 1805710), (20, 1444568), (32, 902855), (40, 722284), (53, 545120), (80, 361142), (106, 272560), (160, 180571), (212, 136280), (265, 109024), (424, 68140), (530, 54512), (848, 34070), (1060, 27256), (1696, 17035), (2120, 13628), (3407, 8480), (4240, 6814)]