65989840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{117839}}^1$

素因数の和:117859

約数の個数: 40

約数和(自身を含む): 175345920

約数和(自身を除く): 109356080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 117839, 235678, 471356, 589195, 824873, 942712, 1178390, 1649746, 1885424, 2356780, 3299492, 4124365, 4713560, 6598984, 8248730, 9427120, 13197968, 16497460, 32994920, 65989840]

約数ペア:

[(1, 65989840), (2, 32994920), (4, 16497460), (5, 13197968), (7, 9427120), (8, 8248730), (10, 6598984), (14, 4713560), (16, 4124365), (20, 3299492), (28, 2356780), (35, 1885424), (40, 1649746), (56, 1178390), (70, 942712), (80, 824873), (112, 589195), (140, 471356), (280, 235678), (560, 117839)]