2555881640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{378089}}^1$

素因数の和:378126

約数の個数: 48

約数和(自身を含む): 6227142300

約数和(自身を除く): 3671260660

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 3380, 6760, 378089, 756178, 1512356, 1890445, 3024712, 3780890, 4915157, 7561780, 9830314, 15123560, 19660628, 24575785, 39321256, 49151570, 63897041, 98303140, 127794082, 196606280, 255588164, 319485205, 511176328, 638970410, 1277940820, 2555881640]

約数ペア:

[(1, 2555881640), (2, 1277940820), (4, 638970410), (5, 511176328), (8, 319485205), (10, 255588164), (13, 196606280), (20, 127794082), (26, 98303140), (40, 63897041), (52, 49151570), (65, 39321256), (104, 24575785), (130, 19660628), (169, 15123560), (260, 9830314), (338, 7561780), (520, 4915157), (676, 3780890), (845, 3024712), (1352, 1890445), (1690, 1512356), (3380, 756178), (6760, 378089)]