31888045375

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{4441}}^1$

素因数の和:4613

約数の個数: 64

約数和(自身を含む): 43905438720

約数和(自身を除く): 12017393345

約数列:

[1, 5, 17, 25, 31, 85, 109, 125, 155, 425, 527, 545, 775, 1853, 2125, 2635, 2725, 3379, 3875, 4441, 9265, 13175, 13625, 16895, 22205, 46325, 57443, 65875, 75497, 84475, 111025, 137671, 231625, 287215, 377485, 422375, 484069, 555125, 688355, 1436075, 1887425, 2340407, 2420345, 3441775, 7180375, 8229173, 9437125, 11702035, 12101725, 15006139, 17208875, 41145865, 58510175, 60508625, 75030695, 205729325, 255104363, 292550875, 375153475, 1028646625, 1275521815, 1875767375, 6377609075, 31888045375]

約数ペア:

[(1, 31888045375), (5, 6377609075), (17, 1875767375), (25, 1275521815), (31, 1028646625), (85, 375153475), (109, 292550875), (125, 255104363), (155, 205729325), (425, 75030695), (527, 60508625), (545, 58510175), (775, 41145865), (1853, 17208875), (2125, 15006139), (2635, 12101725), (2725, 11702035), (3379, 9437125), (3875, 8229173), (4441, 7180375), (9265, 3441775), (13175, 2420345), (13625, 2340407), (16895, 1887425), (22205, 1436075), (46325, 688355), (57443, 555125), (65875, 484069), (75497, 422375), (84475, 377485), (111025, 287215), (137671, 231625)]