25091920

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{173}}^1$

素因数の和:237

約数の個数: 120

約数和(自身を含む): 70100424

約数和(自身を除く): 45008504

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 37, 40, 49, 56, 70, 74, 80, 98, 112, 140, 148, 173, 185, 196, 245, 259, 280, 296, 346, 370, 392, 490, 518, 560, 592, 692, 740, 784, 865, 980, 1036, 1211, 1295, 1384, 1480, 1730, 1813, 1960, 2072, 2422, 2590, 2768, 2960, 3460, 3626, 3920, 4144, 4844, 5180, 6055, 6401, 6920, 7252, 8477, 9065, 9688, 10360, 12110, 12802, 13840, 14504, 16954, 18130, 19376, 20720, 24220, 25604, 29008, 32005, 33908, 36260, 42385, 44807, 48440, 51208, 64010, 67816, 72520, 84770, 89614, 96880, 102416, 128020, 135632, 145040, 169540, 179228, 224035, 256040, 313649, 339080, 358456, 448070, 512080, 627298, 678160, 716912, 896140, 1254596, 1568245, 1792280, 2509192, 3136490, 3584560, 5018384, 6272980, 12545960, 25091920]

約数ペア:

[(1, 25091920), (2, 12545960), (4, 6272980), (5, 5018384), (7, 3584560), (8, 3136490), (10, 2509192), (14, 1792280), (16, 1568245), (20, 1254596), (28, 896140), (35, 716912), (37, 678160), (40, 627298), (49, 512080), (56, 448070), (70, 358456), (74, 339080), (80, 313649), (98, 256040), (112, 224035), (140, 179228), (148, 169540), (173, 145040), (185, 135632), (196, 128020), (245, 102416), (259, 96880), (280, 89614), (296, 84770), (346, 72520), (370, 67816), (392, 64010), (490, 51208), (518, 48440), (560, 44807), (592, 42385), (692, 36260), (740, 33908), (784, 32005), (865, 29008), (980, 25604), (1036, 24220), (1211, 20720), (1295, 19376), (1384, 18130), (1480, 16954), (1730, 14504), (1813, 13840), (1960, 12802), (2072, 12110), (2422, 10360), (2590, 9688), (2768, 9065), (2960, 8477), (3460, 7252), (3626, 6920), (3920, 6401), (4144, 6055), (4844, 5180)]