16898720

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3407}}^1$

素因数の和:3453

約数の個数: 48

約数和(自身を含む): 41223168

約数和(自身を除く): 24324448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 3407, 4960, 6814, 13628, 17035, 27256, 34070, 54512, 68140, 105617, 109024, 136280, 211234, 272560, 422468, 528085, 545120, 844936, 1056170, 1689872, 2112340, 3379744, 4224680, 8449360, 16898720]

約数ペア:

[(1, 16898720), (2, 8449360), (4, 4224680), (5, 3379744), (8, 2112340), (10, 1689872), (16, 1056170), (20, 844936), (31, 545120), (32, 528085), (40, 422468), (62, 272560), (80, 211234), (124, 136280), (155, 109024), (160, 105617), (248, 68140), (310, 54512), (496, 34070), (620, 27256), (992, 17035), (1240, 13628), (2480, 6814), (3407, 4960)]