258849760

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{124447}}^1$

素因数の和:124475

約数の個数: 48

約数和(自身を含む): 658578816

約数和(自身を除く): 399729056

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 124447, 248894, 497788, 622235, 995576, 1244470, 1617811, 1991152, 2488940, 3235622, 3982304, 4977880, 6471244, 8089055, 9955760, 12942488, 16178110, 19911520, 25884976, 32356220, 51769952, 64712440, 129424880, 258849760]

約数ペア:

[(1, 258849760), (2, 129424880), (4, 64712440), (5, 51769952), (8, 32356220), (10, 25884976), (13, 19911520), (16, 16178110), (20, 12942488), (26, 9955760), (32, 8089055), (40, 6471244), (52, 4977880), (65, 3982304), (80, 3235622), (104, 2488940), (130, 1991152), (160, 1617811), (208, 1244470), (260, 995576), (416, 622235), (520, 497788), (1040, 248894), (2080, 124447)]