9025900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:211

約数の個数: 72

約数和(自身を含む): 21654864

約数和(自身を除く): 12628964

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 53, 65, 100, 106, 130, 131, 212, 260, 262, 265, 325, 524, 530, 650, 655, 689, 1060, 1300, 1310, 1325, 1378, 1703, 2620, 2650, 2756, 3275, 3406, 3445, 5300, 6550, 6812, 6890, 6943, 8515, 13100, 13780, 13886, 17030, 17225, 27772, 34060, 34450, 34715, 42575, 68900, 69430, 85150, 90259, 138860, 170300, 173575, 180518, 347150, 361036, 451295, 694300, 902590, 1805180, 2256475, 4512950, 9025900]

約数ペア:

[(1, 9025900), (2, 4512950), (4, 2256475), (5, 1805180), (10, 902590), (13, 694300), (20, 451295), (25, 361036), (26, 347150), (50, 180518), (52, 173575), (53, 170300), (65, 138860), (100, 90259), (106, 85150), (130, 69430), (131, 68900), (212, 42575), (260, 34715), (262, 34450), (265, 34060), (325, 27772), (524, 17225), (530, 17030), (650, 13886), (655, 13780), (689, 13100), (1060, 8515), (1300, 6943), (1310, 6890), (1325, 6812), (1378, 6550), (1703, 5300), (2620, 3445), (2650, 3406), (2756, 3275)]