25138540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1$

素因数の和:287

約数の個数: 96

約数和(自身を含む): 64963584

約数和(自身を除く): 39825044

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 37, 46, 70, 74, 92, 115, 140, 148, 161, 185, 211, 230, 259, 322, 370, 422, 460, 518, 644, 740, 805, 844, 851, 1036, 1055, 1295, 1477, 1610, 1702, 2110, 2590, 2954, 3220, 3404, 4220, 4255, 4853, 5180, 5908, 5957, 7385, 7807, 8510, 9706, 11914, 14770, 15614, 17020, 19412, 23828, 24265, 29540, 29785, 31228, 33971, 39035, 48530, 54649, 59570, 67942, 78070, 97060, 109298, 119140, 135884, 156140, 169855, 179561, 218596, 273245, 339710, 359122, 546490, 679420, 718244, 897805, 1092980, 1256927, 1795610, 2513854, 3591220, 5027708, 6284635, 12569270, 25138540]

約数ペア:

[(1, 25138540), (2, 12569270), (4, 6284635), (5, 5027708), (7, 3591220), (10, 2513854), (14, 1795610), (20, 1256927), (23, 1092980), (28, 897805), (35, 718244), (37, 679420), (46, 546490), (70, 359122), (74, 339710), (92, 273245), (115, 218596), (140, 179561), (148, 169855), (161, 156140), (185, 135884), (211, 119140), (230, 109298), (259, 97060), (322, 78070), (370, 67942), (422, 59570), (460, 54649), (518, 48530), (644, 39035), (740, 33971), (805, 31228), (844, 29785), (851, 29540), (1036, 24265), (1055, 23828), (1295, 19412), (1477, 17020), (1610, 15614), (1702, 14770), (2110, 11914), (2590, 9706), (2954, 8510), (3220, 7807), (3404, 7385), (4220, 5957), (4255, 5908), (4853, 5180)]