201715280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{193957}}^1$

素因数の和:193983

約数の個数: 40

約数和(自身を含む): 505066632

約数和(自身を除く): 303351352

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 193957, 387914, 775828, 969785, 1551656, 1939570, 2521441, 3103312, 3879140, 5042882, 7758280, 10085764, 12607205, 15516560, 20171528, 25214410, 40343056, 50428820, 100857640, 201715280]

約数ペア:

[(1, 201715280), (2, 100857640), (4, 50428820), (5, 40343056), (8, 25214410), (10, 20171528), (13, 15516560), (16, 12607205), (20, 10085764), (26, 7758280), (40, 5042882), (52, 3879140), (65, 3103312), (80, 2521441), (104, 1939570), (130, 1551656), (208, 969785), (260, 775828), (520, 387914), (1040, 193957)]