27758900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{163}}^1$

素因数の和:321

約数の個数: 72

約数和(自身を含む): 65766624

約数和(自身を除く): 38007724

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 131, 163, 260, 262, 325, 326, 524, 650, 652, 655, 815, 1300, 1310, 1630, 1703, 2119, 2620, 3260, 3275, 3406, 4075, 4238, 6550, 6812, 8150, 8476, 8515, 10595, 13100, 16300, 17030, 21190, 21353, 34060, 42380, 42575, 42706, 52975, 85150, 85412, 105950, 106765, 170300, 211900, 213530, 277589, 427060, 533825, 555178, 1067650, 1110356, 1387945, 2135300, 2775890, 5551780, 6939725, 13879450, 27758900]

約数ペア:

[(1, 27758900), (2, 13879450), (4, 6939725), (5, 5551780), (10, 2775890), (13, 2135300), (20, 1387945), (25, 1110356), (26, 1067650), (50, 555178), (52, 533825), (65, 427060), (100, 277589), (130, 213530), (131, 211900), (163, 170300), (260, 106765), (262, 105950), (325, 85412), (326, 85150), (524, 52975), (650, 42706), (652, 42575), (655, 42380), (815, 34060), (1300, 21353), (1310, 21190), (1630, 17030), (1703, 16300), (2119, 13100), (2620, 10595), (3260, 8515), (3275, 8476), (3406, 8150), (4075, 6812), (4238, 6550)]