40020500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1$

素因数の和:210

約数の個数: 96

約数和(自身を含む): 96864768

約数和(自身を除く): 56844268

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 47, 50, 52, 65, 94, 100, 125, 130, 131, 188, 235, 250, 260, 262, 325, 470, 500, 524, 611, 650, 655, 940, 1175, 1222, 1300, 1310, 1625, 1703, 2350, 2444, 2620, 3055, 3250, 3275, 3406, 4700, 5875, 6110, 6157, 6500, 6550, 6812, 8515, 11750, 12220, 12314, 13100, 15275, 16375, 17030, 23500, 24628, 30550, 30785, 32750, 34060, 42575, 61100, 61570, 65500, 76375, 80041, 85150, 123140, 152750, 153925, 160082, 170300, 212875, 305500, 307850, 320164, 400205, 425750, 615700, 769625, 800410, 851500, 1539250, 1600820, 2001025, 3078500, 4002050, 8004100, 10005125, 20010250, 40020500]

約数ペア:

[(1, 40020500), (2, 20010250), (4, 10005125), (5, 8004100), (10, 4002050), (13, 3078500), (20, 2001025), (25, 1600820), (26, 1539250), (47, 851500), (50, 800410), (52, 769625), (65, 615700), (94, 425750), (100, 400205), (125, 320164), (130, 307850), (131, 305500), (188, 212875), (235, 170300), (250, 160082), (260, 153925), (262, 152750), (325, 123140), (470, 85150), (500, 80041), (524, 76375), (611, 65500), (650, 61570), (655, 61100), (940, 42575), (1175, 34060), (1222, 32750), (1300, 30785), (1310, 30550), (1625, 24628), (1703, 23500), (2350, 17030), (2444, 16375), (2620, 15275), (3055, 13100), (3250, 12314), (3275, 12220), (3406, 11750), (4700, 8515), (5875, 6812), (6110, 6550), (6157, 6500)]