8004100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1$

素因数の和:205

約数の個数: 72

約数和(自身を含む): 19248768

約数和(自身を除く): 11244668

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 47, 50, 52, 65, 94, 100, 130, 131, 188, 235, 260, 262, 325, 470, 524, 611, 650, 655, 940, 1175, 1222, 1300, 1310, 1703, 2350, 2444, 2620, 3055, 3275, 3406, 4700, 6110, 6157, 6550, 6812, 8515, 12220, 12314, 13100, 15275, 17030, 24628, 30550, 30785, 34060, 42575, 61100, 61570, 80041, 85150, 123140, 153925, 160082, 170300, 307850, 320164, 400205, 615700, 800410, 1600820, 2001025, 4002050, 8004100]

約数ペア:

[(1, 8004100), (2, 4002050), (4, 2001025), (5, 1600820), (10, 800410), (13, 615700), (20, 400205), (25, 320164), (26, 307850), (47, 170300), (50, 160082), (52, 153925), (65, 123140), (94, 85150), (100, 80041), (130, 61570), (131, 61100), (188, 42575), (235, 34060), (260, 30785), (262, 30550), (325, 24628), (470, 17030), (524, 15275), (611, 13100), (650, 12314), (655, 12220), (940, 8515), (1175, 6812), (1222, 6550), (1300, 6157), (1310, 6110), (1703, 4700), (2350, 3406), (2444, 3275), (2620, 3055)]