25131984

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1621}}^1$

素因数の和:1668

約数の個数: 80

約数和(自身を含む): 72406080

約数和(自身を除く): 47274096

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 19, 24, 34, 38, 48, 51, 57, 68, 76, 102, 114, 136, 152, 204, 228, 272, 304, 323, 408, 456, 646, 816, 912, 969, 1292, 1621, 1938, 2584, 3242, 3876, 4863, 5168, 6484, 7752, 9726, 12968, 15504, 19452, 25936, 27557, 30799, 38904, 55114, 61598, 77808, 82671, 92397, 110228, 123196, 165342, 184794, 220456, 246392, 330684, 369588, 440912, 492784, 523583, 661368, 739176, 1047166, 1322736, 1478352, 1570749, 2094332, 3141498, 4188664, 6282996, 8377328, 12565992, 25131984]

約数ペア:

[(1, 25131984), (2, 12565992), (3, 8377328), (4, 6282996), (6, 4188664), (8, 3141498), (12, 2094332), (16, 1570749), (17, 1478352), (19, 1322736), (24, 1047166), (34, 739176), (38, 661368), (48, 523583), (51, 492784), (57, 440912), (68, 369588), (76, 330684), (102, 246392), (114, 220456), (136, 184794), (152, 165342), (204, 123196), (228, 110228), (272, 92397), (304, 82671), (323, 77808), (408, 61598), (456, 55114), (646, 38904), (816, 30799), (912, 27557), (969, 25936), (1292, 19452), (1621, 15504), (1938, 12968), (2584, 9726), (3242, 7752), (3876, 6484), (4863, 5168)]